3 years ago

Determine the measure of ∠NOP.

1 answer:

6 0

We know that
An exterior angle is one that has its vertex at an outer point of the circumference
The measure of the external angle is the semidifference of the arcs that it covers

so
∠NOP=(70-30)/2-----> 20°

the answer is
∠NOP=20°

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