in a quadrilateral ABCD angles a b c and d are in the ratio 1 ratio 2 ratio 4 ratio 5
find the angles
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let the ratio be x
now angles are x, 2x, 4x, 5x.
Sum of interior angles of quadrilateral=360
therefore
x+2x+4x+5x=360
12x=360
x=30
now angles
x=30
2x=60
4x=120
5x=150
MARK BRAINLIEST.
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