in triangle abc a b equal to AC angle A equal to 5 x + 20 degree and Angle B equal is equal to two fifth of angle A .Find the measure of angle A.
Answers
Answered by
2
Answer:
-15
Step-by-step explanation:
5x +20= 2/5 ×(5x+20).
5x+20=2×4x+5
x=-15
Similar questions