Question

One angle of a quadrilateral has measure $\frac{ {2\pi}^{c} }{5}$
& the measure of other three angles are in ratio 2:3:4 . Find their measure in degree and radian .
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Answer 1

Answer:

and the measures of other three angles are in the ratio 2:3:4. Find their measures in radians and in degrees. 2. See answers.