Question

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

Answer 1

Answer:

diagonal= 10 root 2

Step-by-step explanation:

hope it helps!!

Answer 2

The side of square is 10 cm

In right angled △ABD

AB²+AD²=BD²

[according to Pythagoras theorem]

(10)²+(10)²=BD²

100+100=BD²

BD² =200

BD=10² cm

∴ Diagonal of square =10√2 cm