Question

in triangle abc, angle a= 2 angle b and 2 angle c = 3 angle b. find the angles of triangle abc.​

Answer 1

Answer:

<A=80° <B=40° <C=60°

Explanation:

<A =2 <B

2<C=3<B -> <C= 1.5 <B

WE KNOW THAT <A+<B+<C= 180°

THEN, 2<B+<B+1.5<B= 180°

4.5<B= 180 => <B = 40°

FROM <A=2<B THEN <A =80°

FROM <C=1.5<B THEN <C = 60°