Question

the permieter of a square is40cm .find its diagonal​

Answer 1

Answer:

P=40 cm Side = 10 cm As S=P/4 (in square) Area = side×side =10×10 =100cm^2 Diagonal => 10^2 +10^2=diagonal^2 (Pythagoras theorem) Diagonal =root (100 +100) Diagonal = root 200