in quadrilateral abcd,Ab is parallel to cd. if angle a : angle b = 2:3 and angle b : angle c = 7:8, find the measure of each angle
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a b
c d
2 3
7 8
a:b:c
14:21:24
the sum of ratio = 59
first angle = 14*360/14
=85degree
second angle=21*360/59
=128degree
third angle =24*360/59
=146degree
answer
c d
2 3
7 8
a:b:c
14:21:24
the sum of ratio = 59
first angle = 14*360/14
=85degree
second angle=21*360/59
=128degree
third angle =24*360/59
=146degree
answer
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