In a triangle, If the second angle is 20% more than the first angle and the
third angle is 20% less than the first angle, then find the three angles of the
triangle.
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Answered by
2
Answer:
Your three angles total 180, right?
s = f + 20
t = 2s = 2(f + 20) = 2f + 40
f + f + 20 + 2f + 40 = 180
4f + 60 = 180
4f + 60 - 60 = 180 - 60
4f = 120
4f/4 = 120/4
f = 30
s = 30 + 20 = 50
t = 2(50) = 100
Answered by
0
Answer:
i really don't know...........
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