Question

Find the area and perimeter of square with side 13 cm​

Answer 1

Answer:

area-13×13=169

perimeter-13×4=52

Answer 2

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Side of square =13cm

Therefore,

Perimeter of square =4×13=52cm

Now each side of square is increased by acm.

Therefore,

Side of new square =(13+a)cm

Therefore,

Perimeter of new square =4×(13+a)=(52+4a)cm