Properties of Circles

Determine if a tangent line is shown in the picture.

• Yes

• No

• Note Sure

Assume that the lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x to the nearest tenth.

• 16 in

• 8 in

• 11 in

• 6 in

Tags

CCSS.HSG.C.A.2

Point O is the center of each circle. Assume the lines that appear to be tangent are tangent. What is the value of the variable?

• 26

• 57

• 66

• 114

Tags

CCSS.HSG.C.A.2

What is the value of x?

• 22

• 25

• 15

• 20

Tags

CCSS.HSG.C.A.2

Determine if a tangent line is shown in the picture.

• Yes

• No

• Not sure

What is the area of this circle?

• 8322.13

• 1134.11

• 4536.46

• 1267.09

Tags

CCSS.7.G.B.4

The distance all the way around the circle is called the...

• radius

• diameter

• circumference

• area

A tangent is a line that _______. 

• passes through the center of the circle

• intersects the circle at two points

• intersects the circle at one point

• follows the circumference of a circle

A tangent line intersecting with a radius always creates a ____________ angle

• right

• acute

• obtuse

• straight

Find the radius of a circle who's diameter is 40 ft.

• 40ft

• 80ft

• 20ft

• 45ft

Tags

CCSS.7.G.B.4