If HJR is 9/10 π, what is RHJ?
1 answer:
Answer:
<h2>A.</h2>
Step-by-step explanation:
We know that the whole length of the circumference is
.
By given, we have
, and
by definition of central angle.
That means

Also,

Therefore, the measure of the arc RHJ is 279° which is equivalen to choice A.

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