Question

find the area of a square whose diagonal is 3 m long​

Answer 1

★᭄ꦿ᭄Answer★᭄ꦿ᭄

A = 4.5m²

Answer 2

Answer:

9/2 m² (or) 4.5m²

Step-by-step explanation:

we know that,

length of diagonal = $\sqrt{2}$ (length of side)

=> 3 = $\sqrt{2}$ (length of side)

=> length of side = $3/\sqrt{2}$

area of square = (length of side)² = $(3/\sqrt{2} )^2$ = 9/2