Question

find a and b ?

please tell me the answer I will mark as brainlist if the answer is correct ​

Answer 1

It is given that ∠A+∠B=108∘…(1)

We know that the sum of all the angles in a triangle is 80∘.

So we can write it as

∠A+∠B=80∘

By substituting ∠A+∠B=108∘ in the above equation

108∘+a+b=80∘

On further calculation

a+b= 108∘−80∘

By subtraction

a+b=28∘

Answer 2

$Sum \: of \: all \: angle = 180°$

$∠A +80=180°$

$∠A=180°-80°$

$∠A=100°$

$∠B +100=180°$

$∠B=180°-100°$

$∠B=80°$