Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,433 questions

17,804 answers

1,438 comments

47,200 users

area of the triangle

+2 votes
What is the area of triangle ABC if angle A is 60 degrees, side b is 40 feet and side c is 20 feet?
asked Feb 16, 2013 in TRIGONOMETRY by angel12 Scholar

1 Answer

+2 votes

Here height c = 20 and b = 40 and A = 60°

The right angle triangle of the area is (1/2)(bh sinθ)

area = (1/2)(40)(20)sin(60°)

Trigonometry table in sin(60°) = 0.8660

area = (20)(20)(0.8660)

area = 346.4 square units.

There fore the area of triangle is 346.4 square units.

answered Feb 16, 2013 by richardson Scholar

Related questions

asked Nov 11, 2014 in PRECALCULUS by anonymous
asked Dec 5, 2014 in CALCULUS by anonymous
...