In triangle ABC, AC=15 centimeters, angle B = 68 degrees, and angle C= 24 degrees. What is BC to two decimal places?

1 Answer
Nov 17, 2016

#BC=16.17(2dp) cm#

Explanation:

In triangle ABC, side #AC=15# , Angles are #/_B=68^0 ; /_C=24^0 and /_A=180-(68+24)=88^0#

We know by sine law #(AC)/sin B = (BC)/sin A or 15/sin68=(BC)/sin88 or BC= 15*sin88/sin68= 16.17(2dp) cm#[Ans]