Math, asked by monster6405, 9 months ago

If the length of the diagonal of a square is 20cm,then its perimeter must be
a. 40√2cm b. 30√2cm c. 10cm d. 15√2cm

A) a B) b C) c D) d

Answers

Answered by Anonymous
14

Step-by-step explanation:

We know that d=√2s

Given diagonal = 20 cm

=> s = 20/2–√ cm

Therefore, perimeter of the square is 4s = 4 x 20/2–√ = 402–√ cm.

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