HOPE is a parallelogram, find a, b, c
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Answer:
use the formula that all angles in a triangle Is equal to 180
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3
Answer:
angle a = 180 degree - 70 degree = 110 degree
angle c = 30 degree ( alternative opposite angles)
angle b = 180 degree - ( 110+30) degree
= 180 degree - 140 degree
= 40 degree
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