Tangent to Circle

What is the value of DC? (to the nearest hundredth) 

• 9.43

• 4.43

• √89

• 9

Tags

CCSS.HSG.C.A.2

Find the length of BC.

• 2

• 3

• 9

• 14

Tags

CCSS.HSG.C.A.2

What is the value of x?

• 22

• 25

• 15

• 20

Tags

CCSS.HSG.C.A.2

Is line AB tangent to the circle?

• YES

• No

• Can't be determined 

Tags

CCSS.HSG.C.A.2

Is line AB tangent to the circle?

• YES

• NO

• Not Enough Info

Tags

CCSS.HSG.C.A.2

A tangent to a circle is ________________________ to the radius drawn to the point of tangency.

• congruent

• perpendicular

• complimentary

• supplementary

What is the definition of a tangent?

• A line that intersects the circle on two points.

• A line that passes through the center of the circle.

• A line segment that passes through the center of the circle.

• A line that intersects the circle on only one point.

The circle at the right represents Earth. The radius of the Earth is about 6400 km. Find the distance d that a person can see on a clear day from each of the following heights h above Earth. Round your answer to the nearest tenth of a kilometer.

h=12, find d.

• 392.1 km

• 932.1 km

• 239.1 km

• 329.1 km

Tags

CCSS.8.G.B.8

Find the value of x.

• 40

• 80

• 140

• 240

Tags

CCSS.HSG.C.A.2

What is the value of x?

• 6.6

• 12.6

• 6

• 12

Tags

CCSS.HSG.C.A.2