Friday October 5th

Daily Check: 2 Tangents & Tangent/Radius

DAILY CHECK1. 2.

EOCT PracticeSolve the following equation.

ca) x = 6,-6

b) x = 6, -6i

c) x = 3/2, -3/2

d) x = √(3/2), - √(3/2)

Math IIDay 38 (10-5-10)

UNIT QUESTION: What special properties are found with the parts of a circle?Standard: MM2G1, MM2G2

Today’s Question:How do we find segment lengths in circles?Standard: MM2G3.b

a

bc

d ab = cd

part part = part part

E A B

C

D

EA • EB = EC • EDoutside whole = outside whole

EA

B

C

D

7 13

4

x

Ex: 1 Solve for x.

x = 31

E

A

B

CD 8

5

6

x

Ex: 2

x = 59/5

EA

B

C

D

2 10

5

x

Ex: 3 Solve for x.

x = 3

E

A

B C

24

12 x

outside whole = outside whole

x = 36

Ex: 4 Solve for x.

E

A

B

C15

5

x

outside whole = outside whole x2 = 5 (5 + 15)

x2 = 100x = 10

Ex: 5