I'm doing easy math but i don't remember learning this so heres the question.

One angle of a triangle is 20 degrees. The second angle's measurement is four times the third. Whats is the measure of the third angle?

Question

Mathematics

Alfredo

20 September, 11:31

I'm doing easy math but i don't remember learning this so heres the question.

One angle of a triangle is 20 degrees. The second angle's measurement is four times the third. Whats is the measure of the third angle?

+3

Answers (1)

Know the Answer?

Casey Garcia · Answer 1

Total measure is 180

x is 2nd and y is 3rd angle

2nd is 4 times 3rd angle

x=4y

total is 180

20+x+y=180

x=4y

20+4y+y=180

20+5y=180

minus 20 both sides

5y=160

divide by 5

y=32

third angle is 32 degrees

I'm doing easy math but i don't remember learning this so heres the question.One angle of a triangle is 20 degrees. The second angle's measurement is four times the third. Whats is the measure of the third angle?

I'm doing easy math but i don't remember learning this so heres the question.

One angle of a triangle is 20 degrees. The second angle's measurement is four times the third. Whats is the measure of the third angle?