Length of Tangent Circle Pythagorean

In the diagram, AB is tangent to circle O. Solve for "?" (the entire length of AO)

• 15

• 24

• 21

• 18

Find the value of x. Lines that appear tangent are tangent.

• 20

• 16

• 15

• 17

Determine whether segment MP is tangent to the circle by using the Pythagorean Theorem on triangle PML.

• YES, because Pythagorean Theorem works for triangle PML

• NO, because Pythagorean Theorem does NOT work for triangle PML.

• YES, because Pythagorean Theorem does NOT work for triangle PML.

• NO, because Pythagorean Theorem works for triangle PML.

AB and BC are both tangent to circle D. What is the value of x?

• 10

• 25

• 15

• 20

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

Is line NP tangent to ⨀ M?

(Hint: Check if 63^2 + 68^2 = 92^2).

• Yes

• No

Is line AB tangent to the circle?

• YES

• NO
  NO

• Can't Tell
  Can't Tell

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

Is line AB tangent to the circle?

• YES

• NO
  NO

• Not Enough Info

Is line NP tangent to ⨀ M?

(Hint: Check if 32^2 + 60^2 = 68^2).

• Yes

• No