Question

The measures of the angles of a triangle are in the ratio 2:4:9 find the measures of all three angles

Answer 1

all angles = 180 degrees total

add the ratios: 2 +4 +9 = 15

180/ 15 = 12

12*2 = 24

12*4 = 48

12*9 = 108

108 + 48 + 24 = 180

the three angles are: 24, 48 and 108