Question

1. The angles of quadrilateral are in the ratio 3: 5:9:13. Find all the angles of
quadrilateral.
2
tbl
.
11​

Answer 1

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Answer 2

$let \: the \: angles \: are \: 3x \:, 5x \:, 9x \:, and \:13 x \\ thesum \: ofangles \: of \: quadrilateral \: = 360 \\ 3x + 5x + 9x + 13x = 360 \\ 30x = 360 \\ x = \frac{360}{30} \\ x = 12$

Ist angle = 36°

IInd angle = 60°

IIIrd angle = 108°

IVth angle = 156°