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3 years ago

PLEASE GEOMETRY HELP!! FIND THE LENGTH OF ARC PQR. EXPLAIN PLEASE!! BOGUS ANSWERS REPORTED

Mathematics

1 answer:

deff fn [24]3 years ago

8 0

First we need to find the measurement of arc PQ.

And sum of measurement of all arc angles is 360 degree.

Let measurement of arc PQ is x degree.

Therefore, we get

$150+73+x+65=360
\\
288+x =360
\\
x =360-288=72$

So measurement of arc PQ is 72.

And measurement of arc PQR is the sum of the measurement of arc PQ and QR.

That is

$m \ PQR = 72 +65 = 137$

measurement of Arc PQR = 137 degree= 2.39 radian

And radius is 6.48 inches

And arc length is the product of radius and central angle in radians .

That is

$PQR= 6.48*2.39=15.5 inches$

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It should look like this:

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