What is the measure of angle A in the triangle?
Mathematics
evilsonic131
Question
What is the measure of angle A in the triangle?
1 Answer

1. User Answers hap092002
The measure of angle A is 50 degrees.
2x10+x+30+70=180
3x+90=180
90 90
3x=90
x=30
2(30)10
6010
50