SOLUTION: In a triangle ABC, there is an angle A that is 50degrees, angle C is 90 degrees, and BC = 7. What is length AB and length AC? Thanks for your help.

Algebra ->  Length-and-distance -> SOLUTION: In a triangle ABC, there is an angle A that is 50degrees, angle C is 90 degrees, and BC = 7. What is length AB and length AC? Thanks for your help.       Log On


   



Question 302736: In a triangle ABC, there is an angle A that is 50degrees, angle C is 90 degrees, and BC = 7. What is length AB and length AC? Thanks for your help.

Answer by london maths tutor(243) About Me  (Show Source):
You can put this solution on YOUR website!
Triangle ABC is a right angle triangle as there is a 90degree angle.
tan 50 degrees = %28BC%29%2F%28AB%29
Therefore : AB = 7+%2F+tan+50
AB = 5.87
sin 50 degrees = +%28BC%29%2F%28AC%29
Therefore: AC = +7+%2F+sin+50+
AC = 9.14