Geo ~ Before Break Review

If two angles are considered a linear pair, they must ____.

• add to 90 degrees

• add to 360 degrees

• equal each other

• add to 180 degrees

If two angles are considered vertical angles, they must ____.

• add to 90 degrees

• add to 360 degrees

• equal each other

• add to 180 degrees

If two angles are considered complementary angles, they must ____.

• add to 90 degrees

• add to 360 degrees

• equal each other

• add to 180 degrees

In a linear pair, the measure of one angle is 3x and the other angle is 5x.

Find the value of x.

• x = 22.5

• x = 90

• x = 5/3

• x = 11.25

Given that two angles form a linear pair and one angle measures -3x + 30 and the other measures 5x - 10, what is the value of x?

• x = 40

• x = 22.5

• x = 80

• x = 20

Find the value of x if two angles are vertical angles and one angle measures 3x - 15 and the other measures 7x + 5.

• x = 20

• x = -5

• x = 19

• x = 5

If the measure of one angle in a linear pair is 4x - 20 and the other angle measures 6x + 10,

what is the value of x?

• x = 10

• x = 19

• x = 75

• x = -15

Determine the value of x if two angles are vertical angles and one angle measures 8x - 15 and the other measures 10x + 5.

• x = 10

• x = 5

• x = 80

• x = -10

In a linear pair, angle A measures 3x + 25 and angle B measures 7x - 15.

Find the measure of angle A.

• <A= 17

• <A= 51

• <A=76

• <A=26.2

If two angles are vertical angles and angle C measures 9x - 10 and angle D measures 5x + 14.

Find the measure of angle D.

• <D= 29

• <D = 6

• <D = 44

• <D = 54