Question

Please help what does B and C equal

Answer 1

m∠b=20°

m∠c=160°

Explanation:

∠c and the 160° angle are vertical, so they are congruent.

m∠c=160°

∠c and ∠b are supplementary, so their sum is 180°.

`b+160=180`

`b=20`

So, m∠b=20°.