Question

i) What is the length of a diagonal of a square of side 10 cm?
(A) 10/3 cm (B) 10/2 cm
(C) 10 cm
(D) 5/2 cm​

Answer 1

Answer:

By pythagoras theorem,

x = √ (10)² + (10)²

x = √200

x = 10√2 cm

Hence, (B) option is correct

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Answer 2

Answer: option b 10√2cm

Step-by-step explanation:

The measure of the diagonal of a square is √2×a

So side that is a =10

Therefore length of diagonal of the square is √2×10=10√2