Question

find the area of regular hexagon if each side of equilateral triangle is 5cm

Answer 1

No. of triangles in a hexagon = 6
Side each equilateral triangle = 5 cm
Area of each triangle = [(root 3)a^2]/4
= (25root3)/4
Area of hexagon = 6×25root3 /4
= 150root3/4
= 64.95 sq. cm