Tangent Lines of Circles

A tangent line intersects the circle ...

• in exactly two points

• in exactly one point

• through the center

• with the diameter

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Which shows a tangent line?

• 
• 
• 
• 

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

If a line is tangent to a circle, then it is ________ to the radius drawn to the point of tangency.

• parallel

• adjacent

• supplementary

• perpendicular

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Determine if a tangent line is shown in the picture.

• Yes

• No

• Not sure

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Determine if a tangent line is shown in the picture.

• Yes

• No

• Note Sure

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Assume that all the lines that appear tangent are tangent. Find the perimeter

• 54
• 36
• 48
• 42

Tags

CCSS.HSG.C.A.2

What is the value of x?

• 22
• 25
• 15
• 20

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

Find the perimeter of the quadrilateral.

• A
• B
• C
• D

Tags

CCSS.HSG.GPE.B.7

A point B is 17cm away from the centre O of a circle. AB is the tangent to the circle at A. Given that AB = 15 cm, find the radius of the circle.

• 8 cm

• 9 cm

• 2 cm

• 16 cm

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Find the value of X

• 3

• 16

• 8

• 12

Tags

CCSS.8.EE.C.7