Question

In triangle ABC angle C=3=2(angle A+angle B), angle A , angle B, and angle C ?​

Answer 1

$\huge\mathbb{A~N~S~W~E~R}$

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${\large\color{Red}{Answer~is~angle~A~=~20° }}$

${\large\color{Red}{Answer~is~angle~B~=~40° }}$

${\large\color{Red}{Answer~is~ angle~C~=~120° }}$

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Answer 2

Answer:

Please do following correction:

In a triangle ABC, angle C =  3*angle B= 2 (A+B). Find the three angles.

Step-by-step explanation:

Let a,b,c are the angles then

]given c=3b=2(a+b)

3b=2(a+b)

adding 2c

3b+2c=2(a+b)+2c

3b+2c=2(a+b+c)=2*180=360

3b+2c=360

But 3b=c(given)

c+2c=360

3c=360

c=360/3=120

Also 3b=c

3b=120,b=40

a=180-b-c

=180-40-120

=180-160

a=20,b=40,c=120