Question

find the area of an equiladeral triangle each of whose sides measures 20 cm​

Answer 1

Answer: side = 173 cm*2

Area of the equilateral triangle = ((√3)/4) × (sides)2 sq. Units = (1.73/4) × (20)2 [because √3 = 1.73] = (1.73 × 400)/4 = 173 cm2