Question

Area of a triangle when the two sides and including angle given

Answer 1

Answer:

Usually called the "side angle side" method, the area of a triangle is given by the formula below. Although it uses the trigonometry Sine function, it works on any triangle, not just right triangles.

Area

=

a

b

 

s

i

n

C

2

where

a and b  are the lengths of two sides of the triangle

C  is the included angle (the angle between the two known sides)