Question

Find the area of triangle ABC to the nearest tenth. Inabc, a=11 c=11 b=100°.

Answer 1

59.6 square units

Explanation:

The area is given by the formula ...

area = (1/2)ac·sin(B)

Fill in the given numbers and do the arithmetic.

area = (1/2)(11)(11)(sin(100°)) ≈ 59.6 . . . . square units