The second angle of a triangular kite is four times as large as the first. The third angle is 15 degrees more than the sum of th

Question

GaryK [48]

3 years ago

9

The second angle of a triangular kite is four times as large as the first. The third angle is 15 degrees more than the sum of th

e other two angles. Find the measure of the second angle.

Mathematics

1 answer:

frutty [35] · Answer 1 · 2022-01-22T23:49:01+03:00

frutty [35]3 years ago

5 0

Let's set the first angle as x, the second angle is then 4x, and the third angle is (x+4x)+15, which is 5x+15
the three angles make a sum of 180: x+4x +5x+15=180
10x=165
x=16.5
the second angle is 4x=4*16.5=66