the angle of quadrilateral are in ratio 3:5:9:13 find the smallest angle
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Answer:
first angle=3x
second angle=5x
third angle=9x
fourth angle=13x
3x+5x+9x+13x=360°
30x=360°
x=360°÷30
x=12°
smallest angle=3x
smallest angle=3×12=36°
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