Solving Right Triangles

What does it mean to solve a right triangle? To solve a right triangle means to find the measure of all of its sides and angles.

Write a trig ratio to find the measure of angle A in the following triangle 17 B C 15

How can we solve for A? This doesn’t mean sin plus A or sin times A, so how do we get A by itself?

Use inverse trig function This is 2nd -> sin in your calculator. (Make sure your calculator is in degree mode first)

Solve the triangle below 25 B C 24

Solve the triangle below 22 35o B C

Solve the triangle below 36 18 B C

Practice p. 509: 3-18