Question

Exterior angle and of atriangle is100and ABC and back are in the ratio of2ratio3 find all of triangle

Answer 1

Answer:

40°,60°,80°

Step-by-step explanation:

the exterior angle is equal to the sum of opposite interior angles

so 2:3=100

2x+3x=100

5x=100=20

2x=2×20=40

3x=3×20=60

the last angle will be

180-100

=80°