Question

SOMEONE HELP ME 40 POINTS! A central angle measuring 90° Intercepts an arc In a circle whose radlus is 8.

What Is length of the arc of the circle formed by this central angle? Round the length of the arc to the nearest hundredth
of unit.

Answer 1

• 12.56 units

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The 90° arc is representing the quarter of circle.

Its length is the quarter of the circumference of circle with radius of 8.

The arc length is:

• C/4 = 2πr/4 = 2*3.14*8/4 = 12.56