Question

1.A circular arc of length 10 cm subtends the central angle θ on a circle with...

1.A circular arc of length 10 cm subtends the central angle θ on a circle with radius 6 cm.
(a) Find the degree measure of the central angle θ. Give your answer correct to 2 decimal places.
θ =  °
(b) Find the area of the sector determined by θ. Give your answer correct to 2 decimal places.
Area =  cm2

2.The 660°angle is in standard position. Determine which of the choices are coterminal angles. (Select all that apply)660°

570°, 1380°, 300°, 1020°, -60°, 750°

Math   Precalculus   
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