Question

The length of a rectangle is 12 cm and its diagonal is 13 cm. Find its perimeter.
a) 24 cm I
b) 30 cm O
c) 34 cm​

Answer 1

Answer:

a. 24cm

Step-by-step explanation:

hope it helps...

Answer 2

Answer:

C ) 34 cm

Step-by-step explanation:

Length of a rectangle = 12 cm

Diagonal of a rectangle=13 cm

Breadth of a rectangle=?

We know that

d^2=l^2+b^2

13^2=12^2+b^2

169-144=b^2

25=b^2

b=5 cm

So, breadth of rectangle=5 cm

Perimeter of rectangle = 2 ( l + b )

=> Perimeter=2 (12+5)

=2 (17)

=34 cm

Answer=34 cm

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