Question

Q.9 Find the perimeter.
(a) 15cm
5cm
(b)
7cm​

Answer 1

Answer:

Perimeter of the rectangle:2(l+b)

=2x(15cm+5cm)

=2x20cm

=40cm

b)Perimeter of a square:4xside

=4x7cm

=28cm

Step-by-step explanation:

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Answer 2

$\huge\tt{\bold{\pink{\underline{\underline{Answer}}}}}$

$\large\tt{\bold{\purple{\underline{\underline{A}}}}}$

$\rightarrow$ perimeter of a rectangle is =2×(length+breadth)

$\rightarrow$ 2×(15+5)

$\rightarrow$ 2×20

$\rightarrow$ 40 ans.

$\large\tt{\bold{\purple{\underline{\underline{B}}}}}$

$\rightarrow$ perimeter of a square is = 4×side

$\rightarrow$ 4×7

$\rightarrow$ 28 ans.