Question

the two intrrior opposite angle of an exterior angle of a tringle are in the ratio 1:2:1 find all the angle of the triangle​

Answer 1

Answer:

ABC be the D

Let ∠A=x

∠B=2x

∠C=x

∠A+∠B+∠C=180

4x=180

x=45

∠A=45

∠B=90

∠C=45

Since ∠A=∠C

ABC is isosceles D

4

.

Since ∠B=90

ABC is Right angled at B.