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Byju's Answer
Standard VII
Mathematics
Use of Algebraic Expressions in Formula of Perimeter of Figures
The perimeter...
Question
The perimeter of kite is
80
c
m
.If the length of one side is
20
c
m
, find the length of other side.
A
10
c
m
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B
20
c
m
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C
30
c
m
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D
None
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Solution
The correct option is
A
20
c
m
Perimeter of kite
=
2
(
a
+
b
)
2
(
a
+
b
)
=
80
b
=
20
,
a
=
?
2
(
a
+
20
)
=
80
,
a
+
20
=
40
,
a
=
20
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