Question

please answer this question with solution​

Answer 1

Answer:

A=90°,B=30°,C=60°

Step-by-step explanation:

A+B+C=180°

3B+B+2B=180°

6B=180°

B=30°

A=3B=3×30=90°

C=2B=2×30=60°

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Answer 2

Answer:

B) 90°,30°,60°

Step-by-step explanation:

let's take angle B= x (Because we don't know the value)

given that, angle A=3×angle B

and, angle C=2×angle B

Now, we get values of angles as :

angle A=3x

angle B=x

angle C=2x

Then, x+3x+2x=180°

6x=180°

x=180/6

x=30°

Now, angle A=3×30°

=90°

angle B=30°

angle C=3×20°

=60°

Therefore, angles are 90°,30°,60°