Question

One angle of a triangle measures 145°. The other two angles are in a ratio of 2:5. What are the measures of those two angles?

Answer 1

180° - 145° = 35°

2x + 5x = 35

7x = 35

x = 5

The measures of the other two angles are 2(5) = 10° and 5(5) = 25°.