Question

find the area and perimeter of a square whose diagonal is 10 cm​

Answer 1

Step-by-step explanation:

diagonal =s√2

10=s√2

side=10/√2

=5√2

area = s²

=5√2×5√2

=25×2

=50cm²

perimeter= 4×s

=5√2×4

=20√2

Answer 2

Answer:

Hey mate,

☆Here your answer to the question

Find the area and perimeter of a square whose diagonal is 10cm .

Answer: Diagonal of a square = Root 2a

where, a= side

10=root2 a

a=10/root2

a=5 root2 cm .

Perimeter of a square = 4a

=4×5root2

= 20 root 2.

Therefore 20 root 2 is the answer for your question..

Hope it helps u mate.

Thank you.