Question

Find the diagonal of a square whose side is 10 cm. ​

Answer 1

Answer:

Diagonal =10√2

Step-by-step explanation:

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Answer 2

Answer:

14.14 cm

Step-by-step explanation:

Area of the square=side²

⇒Area= 10² = 100 cm²

Now, we also know that the area of a square is d²/2.

So,

100=d²/2

⇒d²=200

⇒d=√200

⇒d=14.14cm (approx.)