Question

PLEASE HELP

Page 125 #8

Arc PR = ___ degrees

Answer 1

Answer: 180

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Step-by-step explanation:

Angle PAQ is 90 degrees as the square marker indicates. The adjacent angle RAQ is also 90 degrees.

So overall, central angle PAR is 90+90 = 180 degrees. Arc PQR is 180 degrees which is a semicircle.

Answer 2

I think it’s 180 because either straight across it’s a straight line so 180 and half of a circles 360 degree is 180