Classifying Angles
Types of Triangles
Types of Triangles
Angle Measures
Angle Measures
100

Angles that are less than 90 degrees

Acute

100

Triangles that have all sides equal

equilateral triangles

100

13

100

The little box in the corner of a triangle or any figure represents what?

A right angle

100

If one angle of a right triangle is 25 degrees, what is the remaining angle measurement? 

What is 65 degrees

200

Angles that are equal to 180 degrees

Straight angles


200

Triangles that have no equal sides

scalene triangles

200

An equilateral triangle is also a ____________ triangle

Isosceles Triangle 

200
How many angles are in a triangle?

3

200

What is the missing angle?

39+31= 70, 180-70= 110 degrees

300

Angles that are equal to 90 degrees

Right angles

300

A monkey, a squirrel, and a bird are racing to the top of a coconut tree. Who will get the banana first?

None of them—coconut trees don’t produce bananas!

300

What type of triangle is this?

Equilateral Triangle

300

Can a triangle have these angle measures? 

30, 60, 90.

Yes they add up to 180.


300

What is the measurement of angle x?

61 + 29 = 90 (it's a right triangle), so R = 90 degrees

400

Angles that are greater than 90 degrees but less than 180 degrees

Obtuse angles

400

Triangles that have three angles less than 90 degrees

acute triangles

400

DAILY DOUBLE-WHAT WILL YOU BET?

What type of triangle is this?

Scalene

400

What can jump higher than a building?

Anything that can jump—buildings can’t jump!

400

I can be cracked, I can be made. I can be told, I can be played. What am I?

A Joke

500

I have 13 hearts, but no lungs or stomach. What am I? 


A deck of cards.

500

Triangles that have one angle greater than 90 degrees

obtuse triangles

500

What type of triangle is this?

Isosceles (SOS)

500

If you drop a yellow hat in the Red Sea, what does it become?

Wet.

500

The name given to two angles with a sum of 180 degrees?

What is supplementary angles?

600

What are the 3 types of angles?

Acute, Obtuse, and Right.

600

Triangles that have one 90 degree angle

right triangle

600

What are the 3 types of triangles by sides.

Scalene, Equilateral, Isosceles

600

What is y?

180-92=88 degrees

600

The name given to two angles with a sum of 90 degrees.

What is complementary angles?