Question

PLEASE PLEASE PLEASEEE ANSWER THIS ASAP I AM GONNA FAILLLL. WAIT omg i have 69 points BAHAHAHA 30 points and a little extra gift: my kindness

Answer 1

a- 50

b- 70

Explanation:

A straight line measures out to be 180 degrees

a- 40 + 90 + a = 180

b- 61 + b + 31 +18 = 180

Answer 2

a=50,b=70

Explanation:

you add all the known angle and subtract it by 180 and bam! you find the missing angle