Tangent to The Circle

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

In a circle, what is the value of x?

• 5

• 10

• 15

• 20

Tags

CCSS.HSG.C.A.2

What is the perimeter of the triangle?

Tags

CCSS.3.MD.D.8

What is the value of x?

• 6.6

• 12.6

• 6

• 12

Tags

CCSS.HSG.C.A.2

Find the value of x to the nearest tenth.

• 25.42

• 25.4

• 25.2

• 25.54

Tags

CCSS.HSG.CO.C.9

Which of the following is a true statement?

• 
  A point of tangency is the intersection between two tangent lines.

• 
  A tangent intersects a circle at two distinct points.

• A tangent intersects the circle at exactly one point.

• A tangent line might be perpendicular to the radius containing the circle center and the point of tangency.

What is being represented in the image?

• Chord

• Tangent

• Secant

• Diameter

The radius and any tangent line intersect at a right angle.

What is the point of intersection called?

• Point of Tangency

• Tangency Angle

• Point of Secant

• Point of Perpendicularity

The radius of a circle is

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

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

• The measurement around the circle

• A line perpendicular to the diameter of the circle

Tags

CCSS.HSG.C.A.2