# How do you find leg length, BC, to the nearest tenth if in a right triangle ABC, the hypotenuse #AB=15# and angle #A=35º#?

##### 1 Answer

Dec 7, 2014

We use the sine function since side BC is opposite angle A.

By the definition, Sine function is the ratio of the opposite side to the hypotenuse of a right triangle.

Therefore,

substituting the values

multiply both sides of the equation by 15

and using reflexive property of equality