Question

A triangle of two equal sides of 20cm each and angle between them is 30 degree ,what was the area of the triangle? for standard

Answer 1

Area of triangle = 1/2 a b sin (c)

Area = 1/2 (20)(20) sin(30)

Area = 100 cm²

Answer: 100 cm²

Answer 2

area of triangle= 1/2× 20×20 × sin30° = 200×1/2= 100cm² will be the answer