Question

plz

plz answer this question pizzzz it's urgent
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Answer 1

Answer is B.
Circle measure = 360 degree
360×4/5=288
angle MNO=360-288= 72 degree
Hope it helps

Answer 2

we know that a circle is 360°

shade area is

$\frac{4}{5} \times 360 \\ 4 \times 72 \\ 288$

360°-288°=72°

MNO=72°