Find the area of the circle with a circumference of 18.84 miles. Use 3.14 for π.

Area = 28.25

Step-by-step explanation:

Circumference formula:

C = πd

Plug in your data:

18.84mm = 3.14(d)

Divide by 3.14 to isolate for x.

18.84mm / 3.14 = d

d = 6mm

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

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