4 years ago

Find the measure of arc PR.

1 answer:

6 0

MS and PQ are parallel
If <SMP = 50 then <P (on the left side) = 50 (alternate interior angles)

arc LP = 50 x 2 = 100
given arc LR =170
so arc LPR = 360 -170 = 190

arc PR = 190 - 100
arc PR = 90

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