# Get help with circle geometry problems

Recent questions in Circles

### Determine how much air could fit inside a soccer ball with radius of 4.5 inches. Use 3.14 for $$\displaystyle\pi$$

Wanda Kane 2021-12-18 Answered

### The minute hand of a certain clock is 4 in long, Starting from the moment when the hand is pointing straight up, how fast is the area of the sector that is swept out by the hand increasing at any instant during the next revolution of the hand?

Monique Slaughter 2021-12-17 Answered

### What is the perimeter of semicircle if $$\displaystyle\pi={3},{142}$$ and $$\displaystyle{d}={10}$$

Lorraine Harvey 2021-12-16 Answered

### Why are the trigonometric functions sometimes called circular functions?

Carol Gates 2021-09-25 Answered

### What is the radius and center for $$\displaystyle{\left({x}-{2}\right)}^{{{2}}}+{y}^{{{2}}}={16}?$$ A. $$\displaystyle{r}={16}$$; center is (2,0) B. $$\displaystyle{r}={4}$$; center is (-2,0) C. $$\displaystyle{r}={16}$$; center is (-2,0) D. $$\displaystyle{r}={4}$$; center is (2,0)

Kyran Hudson 2021-09-20 Answered

### A plane passes through the common center of two concentric spheres. Describe the intersection of the plane and the two spheres.

Braxton Pugh 2021-09-14 Answered

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