Direction: multiple choice. Chose the letter of the best answer.

51)
If angle A and angle B are suplementary angles and the measure of angle A = 40 deg., what is the measure of angle B?

a) 40 deg.
b) 50 deg.
c) 60 deg.
d) 140 deg.

Question

Direction: multiple choice. Chose the letter of the best answer.

51)
If angle A and angle B are suplementary angles and the measure of angle A = 40 deg., what is the measure of angle B?

a) 40 deg.
b) 50 deg.
c) 60 deg.
d) 140 deg.

diyadiya · Answer

If two angles are suplementary angles their sum will be 180

diyadiya · Answer

that means 
A + b =180

diyadiya · Answer

here Angle A is given 
So substitute the value of A in the equation A+B=180 and find the measure of B

anonymous · Answer

thanks