Question

Find the area K of the triangle.

a=4, b=5, C = 25°
K=
square units
(Round to two decimal places
as
needed.)

Answer 1

4.23 square units

Explanation:

The area of the triangle is given by the formula ...

K = 1/2ab·sin(C)

__

Filling in the given values, we find the area to be ...

K = 1/2(4)(5)sin(25°) = 4.23 . . . . square units