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(1/4)radical3 times length of side squared

area of an equilateral triangle (formula) if you know only the side length

6, 60

Number and measure of central angles in a regular hexagon

12

If the apothem of a regular triangle is 6, and the base is 4, what is the area of the triangle?

10

A regular polygon has area 40 and apothem 8. What is its perimeter?

36

A square has apothem 3. What is its area?

36

What is the area of a regular polygon with apothem 6 and perimeter 12?

16pi (50.27)

What is the area of a circle with diameter 8?

3pi (9.42)

if a central angle is 120 degrees, and the radius is 3, what is the area of the sector defined by the intersection of the angle and the circle?

7.2pi (22.62)

SORRY- it doesn't let me show pictures- what is the area of the two smallest sectors made when two 12 cm diameters intersect to make two 36 degree central angles?

4 times greater

If the radius of circle A is twice that of circle B, how many times greater is the area of circle A than circle B?

Apothem

The perpendicular distance from the center to a side of a regular polygon.

Circle

in a plane, the set of all points equidistant from a given point

(1/2)apothem times perimeter

formula for the area of a regular polygon

what is the formula for the arc length corollary?

arc length of AB = (mAB/360) times 2pi times radius

formula for circumference of a circle

diameter times pi OR 2pi times radius

arc length

a fraction of the circumference

(mAB/360) times pi times radius squared

formula for the area of a sector

pi times radius squared

Area of a circle (formula)

228.67pi (718.38)

A circle has a radius of 28 cm, and an arc AB that is made from a central angle of 105 degrees. Find the area of the sector made.

96 radical3

A regular hexagon has a side of 8 feet. What is its area (in reduced radical form)?