Angles
Angle Pairs
Triangles
Finding the missing angle
Find the missing angle in a triangles
100

I am exactly 90 degrees... What angle am I?

Right Angle

100

A pair of angles that are formed by intersecting lines...

The pair of opposite angles are congruent. What am I?

Vertical Angle

100

One angle in the triangle is 90 degrees. What triangle am I?

Right Triangle

100

What would a complementary angle be if one angle is 23 degrees?

67 degrees

100

Classify the triangle by the angles and sides and find the missing angle.

No sides are congruent. One angle is right, another angle is 45 degrees. What is the other angle?

Scalene Right Triangle.

45 degrees. 

200

I am more than 90 degrees but less than 180 degrees... What angle am I?

Obtuse Angle

200

Two angles form together and add up to 90 degrees. What angles am I?

Complimentary Angles

200

All sides on the triangle are congruent (the same length) What triangle am I?

Equilateral Triangle

200

In supplementary angles, if one angle is 108 degrees, what is the other angle?

72 degrees

200

Classify the triangle by the angles and sides and find the missing angle.

Two sides are congruent. One angle is 120 degrees. The other angle is 20 degrees. What is the other angle?

Isosceles Obtuse. 40 degrees

300

I am less than 90 degrees but more than 0 degrees... What am I?

Acute Angle

300

Two angles forming together add up to 180 degrees. What angles am I?

Supplementary Angles

300

Only two sides of the triangle are congruent (the same length). What triangle am I?

Isosceles Triangle

300

In vertical angles, if one angle is 122 degrees, what is the other angle?

122 degrees. 

300

Classify the triangle by the angles and sides and find the missing angle.

All sides are the same length. Two angles are 78 degrees. What is the missing angle?

Equilateral Acute

24 degrees

400

I am exactly 180 degrees... I look like a straight line... What angle am I?

Straight Angle

400

Two angles have a common side and a common vertex. What angles am I?

Adjacent Angles

400

No sides of the triangle are congruent... What am I?

Scalene Triangle

400

Angle y = 34 degrees. What is angle z if it is complementary to angle y?

56 degrees

400

Classify the triangle by the angles and sides and find the missing angle.

2 sides are the same length. One angle is 23 degrees. Another angle is 100 degrees. What is the missing angle?

Obtuse Isosceles

57 degrees

500

True or False... Obtuse angles can be 180 degrees. 

False.

500

True or false... Angle FUD = 21 degrees. Angle RUP = 69 degrees. These angles form supplementary angles?

False

500

What is an obtuse triangle and acute triangle?


Obtuse triangle - one angle is obtuse

acute triangle - all angles are acute

500
Angle y = 93 degrees. What is angle z if it is supplementary to angle y?

87 degrees.

500

Classify the triangle by the angles and sides and find the missing angle.

No sides are congruent. One angle is 23 degrees. Another angle is 25 degrees. What is the other angle?

Scalene Obtuse

132 degrees

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