Line and Angle Relationships
Angle Measures
Angle Relationships
Triangles
100

True or False. Vertical angles are congruent. 

True. Vertical (Opposite) angles are congruent.

100

If ∠2 and ∠3 are complementary and ∠2 is 89 degrees, what is ∠3?

1 degree

100

What vocabulary word describes two angles that are side-by-side?

Adjacent

100

What is the rule for the side lengths of a triangle in order to make a triangle?

The two smallest sides together must be bigger than the largest side.

200

Name a pair of corresponding angles?


∠1 corresponds with ∠5

∠2 corresponds with ∠6

∠3 corresponds with ∠7 

∠4 corresponds with ∠8

200

If ∠1 is 135 degrees. What is ∠2?


45 degrees

200

Name any angle for this protractor

∠_Q_ (Any letter Q any letter)

200

Based on the sides given, classify the triangle as a scalene, isosceles, equilateral, or not a triangle.

Sides: 10, 10, 10

Equilateral

300

Name a pair of alternate exterior angles.


∠1 & ∠8

∠2 & ∠7

300

If ∠1 is 150 degrees, what is ∠8?


150 degrees

300

Name a pair of adjacent angles

Any angles that are side-by-side (share a common ray and vertex)

300

Based on the sides given, classify the triangle as a scalene, isosceles, equilateral, or not a triangle.

Sides: 9, 10, and 9

Isosceles

400

Name a pair of vertical angles.


∠1 is vertical with ∠4

∠2 is vertical with ∠3

∠5 is vertical with ∠8

∠6 is vertical with ∠7

400

If ∠2 and ∠3 are supplementary and ∠2 is 89 degrees, what is ∠3?

91 degrees

400

Name two angles that are complementary.

∠BQC & ∠CQD

∠CQE & ∠EQF

∠CQD & ∠DQF

∠AQC & ∠FQG


400

Based on the sides given, classify the triangle as a scalene, isosceles, equilateral, or not a triangle.

Sides: 2, 9, and 11

Not a triangle

500

Name a pair of alternate interior angles.


∠3 & ∠6

∠4 & ∠5

500

If ∠4 is 113 degrees, what is ∠6?


67 degrees

500

Name two angles that are supplementary.


∠AQ_ & ∠_QG

500

Based on the sides given, classify the triangle as a scalene, isosceles, equilateral, or not a triangle.

Sides: 8, 3, 6

Scalene

M
e
n
u