Geometry Parts of a Circle

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

• 4

• 2

• 3

• 16

Tags

CCSS.HSG.GPE.A.1

What is the center and radius for a circle with the equation:
(x-4)²+(y+2)²=25

• C:(4, -2), r=5

• C:(-4, 2), r=5

• C:(4, -2), r=25

• C:(-4, 2), r=25

Tags

CCSS.HSG.GPE.A.1

What is the center of the circle with equation x² + y² = 1?

• (1, 1)

• (0, 0)

• not enough information

Tags

CCSS.HSG.GPE.A.1

Find the measure of angle BDC.

• 35

• 40

• 75

• 110

Tags

CCSS.HSG.C.A.2

How big is angle b?

• 50 degrees

• 60 degrees

• 70 degrees

• 75 degrees

Tags

CCSS.HSG.C.A.2

Solve for a.

• 6

• 6.67

• 8.33

• 10

Tags

CCSS.HSG.C.A.2

Two tangents CD and CB intersect circle A. Find the length of the tangent segment BC.

• 2

• 3

• 9

• 14

Tags

CCSS.HSG.C.A.2

solve for x. hint* central angle = arc measure. diameter makes a semicircle = 180 degrees

• 21.25

• 13.6

• 43.75

• 10

Tags

CCSS.HSG.C.A.2

Can a secant be a tangent?

• yes they are both the same line

• yes they are both parts of a circle

• No secant intersects twice and tangent intersects once

• No they both have nothing to do with circles

What is arc DF?

• major arc

• Radius

• semicircle

• minor arc