Question

the angel of a triangle aresuch that angel Bis double of angel A and angel C is 20°/. more than angel A what are the measures of the angel
pls answers ​

Answer 1

$\huge \sf \bf {\boxed{\underline {\pink{\underline {✠Aɴʂᴡᴇʀ࿐ :−}}}}}$

m<a=?

m<b=a+a

m<c=20+a

=> <a+<b+<c=180°

=> a+a+a+20+a=180°

=> 4a+20=180°

=> 4a=180°-20

=> 4a=160°

=> a=160/4

=> a=40

now

<a=40°

<b=a+a=40+40

=80°

<c=20+a=20+40

=60°.