Question

ABC is a traingle in which angleB :angleC=2:1.If angleA=30° find angleB and angleC
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Answer 1

Answer:

This might help you

Step-by-step explanation:

b= 2×50=100°

c=1×50=50°

Answer 2

Answer:

Angle B= 100°

Angle C= 50°

Step-by-step explanation:

Let angle B= 2x

Let angle C= 1x

Angle A= 30°

In Triangle ABC

Angle A+ Angle B+ Angle C=180° (ASP of triangle)

30°+2x°+1x°= 180°

30°+3x=180°

3x=180-30

3x= 150°

x= 150/3

x= 50°

Angle B= 2×50°= 100°

Angle C= 1×50°= 50°

NOTE: ASP- Angle Sum Property

Hope It Helps