SOLUTION: One angle of a triangle is 20 degrees. The second angle’s measurement is four times the third. What is the measure of the third angle? HOW I SOLVE THIS?
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Question 307852: One angle of a triangle is 20 degrees. The second angle’s measurement is four times the third. What is the measure of the third angle? HOW I SOLVE THIS? Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! One angle of a triangle is 20 degrees. The second angle’s measurement is four times the third. What is the measure of the third angle? HOW I SOLVE THIS?
one angle is 20 degrees
Let the third angle be x deg.
The second angle will be 4x deg
The first angle = 20 deg
sum os angle s = 180 deg
x+4x+20 =180
5x+20 =180
5x=160
x= 32 degrees. This is the third angle
