Find the areas of the following triangles:

Question

Find the areas of the following triangles:

A≈ ?sq. units

Answer 1

Area of triangle given two sides (a,b) and an included angle (C) is 1/2 * a * b * sin C

Here a= 112 b = 142 and C = 21 so area = 1/2 * 112 *142 * sin(21) = 2849.74