Question

The side of a square measure 12 cm find its diagonal

Answer 1

Answer:

please mark me as the brainliest

the diagonal is 12√2 cm

Step-by-step explanation:

let 'a' be the side of the square ; let 'x' be the diagonal

Side of a square (a) = 12 cm

(diagonal)² = (side)² + (side)². [ by Pythagoras theorem ]

x² = a² + a²

x² = 2a²

x = (√2) (a). [ taking square roots on both sides ]

x = 12√2 cm

Answer 2

Answer:

diagonal of a square =side ×√2

therefore diagonal =12×√2

=12√2

Step-by-step explanation:

hope it helped u

plz mark me as the brainliest