Tangent Lines- Part 2

A tangent line and radius _____

• are perpendicular (aka form a right angle)

• never intersect

• form an acute angle

• form an obtuse angle

In the example problem from the video (as shown here), what is the length of segment AC?

• 2

• 3

• 4

• 7

Tags

CCSS.HSG.C.A.2

In the example problem from the video, what old rule/theorem was used?

• Vertical angles are congruent

• Pythagorean Theorem ( $a^2+b^2=c^2$ )

• The distance formula

• The triangle sum theorem (a triangle is 180 degrees)

Tags

CCSS.HSG.CO.C.9

In pythagorean theorem, what letter is most important and what does it represent?
Recall: pythagorean theorem states  $a^2+b^2=c^2$  

• a- it represents one leg of the right triangle

• b- it represents one leg of the right triangle

• c- it represents the hypothenus of the right triangle

Tags

CCSS.8.G.B.7

Assume all lines that appear to be tangent are tangent. What is the length of the missing segment?

• 4

• 14

• 16

• 18

Tags

CCSS.HSG.C.A.2

Assume all lines that appear to be tangent are tangent. What is the length of the missing segment?

Be careful! 7.5 is only the radius

• 11

• 15

• 5

• 8

Tags

CCSS.HSG.C.A.2

Assume all lines that appear to be tangent are tangent. What is the length of the missing segment?

• 6

• 12

• 14

• 22

Tags

CCSS.HSG.C.A.2

Assume all lines that appear to be tangent are tangent. What is the length of the missing segment?

• 9.6

• 5.7

• 11.4

• 10.1

Tags

CCSS.HSG.C.A.2