Question

Please help out thanks in advance

Answer 1

b = 74°

Explanation:

Let the unknown angle there be x

so,

b+18°+b-44°+x = 180°

or, 2b°-26 + x = x+b+48°{being linear pair}

or, 2b°-26+x-x = b+48°

or, 2b°-26 = b+48°

or, 2b°-b° = 48°+26°

so, b= 74°