From the figure, the circle has a radius of r=9 mm. Therefore:
PSKA=\pi r^{2}
=3.14(9)^{2}
=3.14(81)
=254.34ZSK

The area is then about \(\displaystyle{254}{m}{m}^{{{2}}}\).

The area is then about \(\displaystyle{254}{m}{m}^{{{2}}}\).

Question

asked 2020-11-11

[Pic]
This arch is formed by an arc of a circle. What is the radius of the circle?

A. 1.500 m

B. 1.875 m

C. 3.000 m

D. 3.750 m

A. 1.500 m

B. 1.875 m

C. 3.000 m

D. 3.750 m

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Find the area of sector AOB if the radius of circle O is 12 cm. Give the answer in terms of π.

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The square surface cover shown in the figure is 10.16 centimeters on each side. The knockout in the center of the cover has a diameter of 1.27 centimeters. Find the area of the cover to the nearest hundredth centimeter.

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What is the area of a circle with a radius of 8 inches?

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A car’s rear windshield wiper rotates \(125^(circ)\) The total length of the wiper mechanism is 25 inches and wipes the windshield over a distance of 14 inches. Find the area covered by the wiper.

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Prove or disprove that the point (1, sqrt3) lies on the circle that is centered at the origin and contains the point (0,2)

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Find the circumference of a circle with diameter 2/п.

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what is the equation of a circle with the center (2, -4) and the radius 4.

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Given the following formula, solve for r.
\(\displaystyle{C}={2}π{r}\)

A. \(\displaystyle{r}={2}π{C}\)

B. \(\displaystyle{r}=\frac{{{C}−π}}{{2}}\)

C. \(\displaystyle{r}=\frac{{C}}{{2}}π\)

D. \(\displaystyle{r}={C}−{2}π\)

A. \(\displaystyle{r}={2}π{C}\)

B. \(\displaystyle{r}=\frac{{{C}−π}}{{2}}\)

C. \(\displaystyle{r}=\frac{{C}}{{2}}π\)

D. \(\displaystyle{r}={C}−{2}π\)