LKS (worksheet) sifat-sifat persegipanjang
Properties of rectangle
Properties of Rectangle
You have known about the objects that
shaped rectangle around you. Consider the
problem below!
The tools you need are:
1. Transparent paper
2. Paper
3. Scissors
4. Ruler
5. String
Picture 1.1
Problem 1
Picture 1.1 is a rectangular table at Adi’s home. A
week ago the table’s glass broke. Therefore, Adi's
father bought a new glass that has the same shape and
size to the table. How many ways can Adi's father
put the glass exactly on the table?
1
Properties of rectangle
A. Based on the above problems, do the activities and answer the questions
below!
1. Draw the model of glass on transparent paper. Then give the name
and cut the model of glass according to its sides.
2. Draw the model of glass on cardboard, then give the name to its sides.
(model of table has the same size as the model of glass and is called a
frame).
3. How many ways that model of glass can be placed on the
frame?………………………………………………………………………
………………………………………………………………………………
………
Illustrate the answer.
4. Which side of the model of glass that can occupy to the bottom side of the
frame?
………………………………………………………………………………
………………………………………………………………………………
2
Properties of rectangle
5. Which side of the model of glass that can occupy to the left side of the
frame?
………………………………………………………………………………
………………………………………………………………………………
6. Based on your answer to question number 5 and 6, what can you conclude
about the sides of the model of glass?
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………..
7. Write down the existing angles on the model of glass that you have!
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………..
8. What is the relationship between the angles? Explain by using the method
of occupying the frame or by your own way!
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………..
9. Based on your answer to question number 7 and 8, what can you conclude
about the angles of the model of glass?
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………..
3
Properties of rectangle
B. Do the following activities with your group
and answer the questions below!
In addition to the properties
that you have mentioned on
previous occasions, there
are other properties of the
rectangle. Do activities in
addition to find it!
Adi’s mother ask Adi to put a vase on the table. Adi
want to put the vase in right position, in order that the
table looks good.
a. In your opinion, what position on the table will
be chosen by Adi? …………….
b. How can Adi put that vase to the chosen
position?
c. What thing do you find based on answers of a
and b which related to the properties of
rectangle?
4
Properties of rectangle
THE PROPERTIES OF RECTANGLE IN TERMS OF
SIDES, ANGLES AND DIAGONAL ARE:
BASED ON YOUR
ANSWERS FROM THE
ACTIVITY A AND B
ABOVE:
1. …………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
………………………………………………………………………………..
2. …………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
3. …………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
………………………………………………………………………………..
4. …………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
………………………………………………………………………………..
5
Properties of rectangle
Look at the picture!
Based on the properties of the rectangle
that you have found, do you know which
picture that including the rectangle? Give
a reason!
………………………………………………………………
………………………………………………………………
………………………………………………………………
………………………………………………………………
a
………………………………………………………………
………………………………………………………………
………………………………………………………………
b
……………………………………………………………..
Based on the properties of the rectangle that
you find, write in your own words the
definition / meaning
c
rectangle!……………………………………………………
……………………………………………………………………
……………………………………………………………………
d
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
e
…………….
f
6
Properties of Rectangle
You have known about the objects that
shaped rectangle around you. Consider the
problem below!
The tools you need are:
1. Transparent paper
2. Paper
3. Scissors
4. Ruler
5. String
Picture 1.1
Problem 1
Picture 1.1 is a rectangular table at Adi’s home. A
week ago the table’s glass broke. Therefore, Adi's
father bought a new glass that has the same shape and
size to the table. How many ways can Adi's father
put the glass exactly on the table?
1
Properties of rectangle
A. Based on the above problems, do the activities and answer the questions
below!
1. Draw the model of glass on transparent paper. Then give the name
and cut the model of glass according to its sides.
2. Draw the model of glass on cardboard, then give the name to its sides.
(model of table has the same size as the model of glass and is called a
frame).
3. How many ways that model of glass can be placed on the
frame?………………………………………………………………………
………………………………………………………………………………
………
Illustrate the answer.
4. Which side of the model of glass that can occupy to the bottom side of the
frame?
………………………………………………………………………………
………………………………………………………………………………
2
Properties of rectangle
5. Which side of the model of glass that can occupy to the left side of the
frame?
………………………………………………………………………………
………………………………………………………………………………
6. Based on your answer to question number 5 and 6, what can you conclude
about the sides of the model of glass?
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………..
7. Write down the existing angles on the model of glass that you have!
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………..
8. What is the relationship between the angles? Explain by using the method
of occupying the frame or by your own way!
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………..
9. Based on your answer to question number 7 and 8, what can you conclude
about the angles of the model of glass?
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………..
3
Properties of rectangle
B. Do the following activities with your group
and answer the questions below!
In addition to the properties
that you have mentioned on
previous occasions, there
are other properties of the
rectangle. Do activities in
addition to find it!
Adi’s mother ask Adi to put a vase on the table. Adi
want to put the vase in right position, in order that the
table looks good.
a. In your opinion, what position on the table will
be chosen by Adi? …………….
b. How can Adi put that vase to the chosen
position?
c. What thing do you find based on answers of a
and b which related to the properties of
rectangle?
4
Properties of rectangle
THE PROPERTIES OF RECTANGLE IN TERMS OF
SIDES, ANGLES AND DIAGONAL ARE:
BASED ON YOUR
ANSWERS FROM THE
ACTIVITY A AND B
ABOVE:
1. …………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
………………………………………………………………………………..
2. …………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
3. …………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
………………………………………………………………………………..
4. …………………………………………………………………………………
…………………………………………………………………………………
…………………………………………………………………………………
………………………………………………………………………………..
5
Properties of rectangle
Look at the picture!
Based on the properties of the rectangle
that you have found, do you know which
picture that including the rectangle? Give
a reason!
………………………………………………………………
………………………………………………………………
………………………………………………………………
………………………………………………………………
a
………………………………………………………………
………………………………………………………………
………………………………………………………………
b
……………………………………………………………..
Based on the properties of the rectangle that
you find, write in your own words the
definition / meaning
c
rectangle!……………………………………………………
……………………………………………………………………
……………………………………………………………………
d
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
e
…………….
f
6