Find Center and Radius of Circle

In the equation (x-3)²+(y+4)²=121, the center of the circle is at...

• (3, -4)

• (-3, 4)

• (4, 3)

• (-4, -3)

Tags

CCSS.HSG.GPE.A.1

In the equation (x-3)²+(y+4)²=121, the radius of the circle is

• 242

• 11

• 121

• 22

Tags

CCSS.HSG.GPE.A.1

the distance from a center of a circle to a point on the circle

• radius

• diameter

• circumference

• pi

The diameter of the circle is 92in. What is the radius of the circle?

• 92 in

• 45 in

• 3.14 in

• Answer is Not Here

Tags

CCSS.7.G.B.4

If the diameter of a circle is 142 millimeters, then what is the radius?

• 71 mm

• 45.8 mm

• 42 mm

• 203.25 mm

Tags

CCSS.7.G.B.4

What is the radius?

• 18

• 72

• 38

• 14

Tags

CCSS.7.G.B.4

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.

• The measurement around the circle

• The measurement from and edge of the circle to another edge through the center

• A line perpendicular to the diameter of the circle

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Tags

CCSS.7.G.B.4

Which of the following is a radius of the circle?

• DA

• GE

• HI

• FG

To go from diameter to radius, what do I need to do?

• divide by 3.14

• multiply by 3.14

• multiply by 2

• divide by 2

Tags

CCSS.7.G.B.4