9. Four angles of a quadrilateral are in the ratio 2:3:4: 1. Find the angles.
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Answer:
2x+3x+4x+1x = 360
5x+5x = 360
10x=360
x=360/10
x=36
Step-by-step explanation:
sub
x=36 ,,,,
2x = 2×36
= 72
3x = 3×36
= 108
4x = 4×36
= 144
1x = 1×36
=36
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