228k views
5 votes
Find the area of each triangle to the nearest tenth.

Find the area of each triangle to the nearest tenth.-example-1
User Vfclists
by
8.2k points

1 Answer

1 vote

Answer:

The area is 52.6 square inches.

Explanation:

If you don't know base or height but you have info on a triangle, such as two sides and the angle in between, and a little bit of trig, you can find the area.

There's an SAS Trig Triangle area formula:

A = 1/2×side×side×sin

this works for two sides and the angle in between, which is exactly the info you have in your question.

A = 1/2(14)(8)sin70°

A = 56sin70°

A = 52.6 sq inches

User Armondo
by
7.8k points

No related questions found