Geometry Q2 Review 2020

What is the value of x in the regular octagon below?

• 135

• 180

• 120

• 8

What is the measure of

 $\angle$ P?

• 100

• 80

• 20

• 10

What is the value of x?

• 30

• 60

• 120

• Cannot be determined

What is the measure of

 $\angle ACB?$  

• 72

• 63

• 60

• 54

 $If\ \Delta ABC\cong\Delta PQR$  , then what is the value of x?

• 9.83

• 10

• 9.17

• 9.5

What is the name of the geometry reason for why

 $\overline{AC}\cong\overline{AC}\ ?$  

• Vertical Angles

• Symmetric Property

• CPCTC

• Reflexive Property

In the figure below,

 $if\ \overline{AB}\cong\overline{AD}\$  and  $\overline{BC}\cong\overline{DC}$  , which of the following shortcuts proves  $\Delta ABC\cong\Delta ADC\ ?$  

• SAS

• SSS

• ASA

• HL

Which geometric reason, states that $\angle ABE\cong\angle DBC\ ?$  

• corresponding angles postulate

• reflexive property

• CPCTC

• Vertical Angles Theorem 

In the figure, if $\angle C\cong\angle E\$  and B is the midpoint of  $\overline{CE}$  , then which shortcut proves  $\Delta ABE\cong\Delta DBC\ ?$  

• SSS

• SAS

• ASA

• HL

What is the scale factor to map $\Delta ABC\ onto\ \Delta A'B'C'\ ?$  

• 2

• -2

• 0.5

• -0.5