### All SAT Math Resources

## Example Questions

### Example Question #91 : Circles

What is in radians?

**Possible Answers:**

**Correct answer:**

Explanation:

To convert degrees to radians, we need to remember the following formula.

.

Now lets substitute for degrees.

### Example Question #91 : Circles

A circle is circumscribed by a square, and that square is the base of a cube. If the volume of the cube is 216, what is the area of the circle?

**Possible Answers:**

**Correct answer:**

Explanation:

The equation for the volume of a cube is

.

If V= 216, then s = 6.

When a circle is circumscribed by a square the diameter of the circle is equal to the length of one side of the square. In this case, one side of the square is equal to 6; therefore the diameter of the circle is also 6. We can find the area of a circle with the equation

and since the radius is equal to half the diameter:

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### All SAT Math Resources

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