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The second angle of a triangular kite is four times as large as the first. The third angle is 5 more than the sum of the other two angles. Find the measure of the second angle.
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The second angle of a triangular kite is four times as large as the first. The third angle is 5 more than the sum of the other two angles. Find the measure of the second angle.

User Aaron Hall
by
5.5k points

1 Answer

4 votes
ans 70 degrees

let first angle be x
the second angle = 4x
..
Third angle =(x+4x)+5
....
x+4x+5x+5 =180
10x+5 =180
-5
10x+5-5 = 180-5
10x = 175
/10
x= 175/10

second angle = 4x = 4*17.5 = 70 deg
User Thanh DK
by
5.6k points
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