Question

Find the length of the diagonal of a square of side 10cm.​

Answer 1

Step-by-step explanation:

diagonal square

diagonal ka square is equal to sum of side square

by theorem Pythagoras

diagonal square equal to 10 square + 10 square

Answer 2

Answer:

pythagoras theorem.

$10 \sqrt{2}$

Step-by-step explanation:

take a square with side 10

divide it into 2 right triangles with 2 sides of measure 10 and diagonal as hypotenuse

diagonal= root ( side ^2 + side^2)

diagonal = root (10^2+10^2)

diagonal = root (100+100)

diagonal =root (200)= 10root2