Question

Find the length of diagonal of a square with side 8cm​

Answer 1

Answer:

Hope this will help you...!!!!

Step-by-step explanation:

Pythagoras theorem

= (8)2 + (8)2 = 64 + 64

∴ [l(XW)]2 = 128 ∴ l(XW) = √128 …[

Taking square root of both sides] = √64 × 2 = 8 √2 cm

∴ The length of the diagonal of the square is 8 √2 cm.