Geometry Review

Angle Types

100

What type of angle is less than 90 degrees?

Acute

200

What type of angle is equal to 90 degrees?

Right

300

What type of angle is greater than 90 degrees?

Obtuse

400

What type of angle looks like one long line?

Straight

500

What type of angle is greater than 180 degrees?

Reflex

Angle Measurements

100

An angle that is 90 degrees is what type?

Right

200

An angle that is 24 degrees is what type?

Acute

300

An angle that is 112 degrees is what type?

Obtuse

400

An angle that is a whole circle measures how many degrees?

360

500

An angle that is 240 degrees is what type of angle?

Reflex

Multiply by 10s

100

40 x 10

400

200

52 x 100

5200

300

1.3 x 10

13

400

.24 x 100

24

500

.08 x 10

.8

Divide by 10s

100

40 / 10

4

200

8000 / 10

800

300

4 / 10

.4

400

1.4 / 10

.14

500

.3 / 100

.0003

Triangle types

100

What type of triangle has all sides the same?

Equilateral

200

What type of triangle has two sides the same?

Isosceles

300

What type of triangle has no sides the same?

scalene

400

What type of triangle has angle measurements: 45, 45, 90 [you need to get one of two of the names]

Right, isosceles

500

What type of triangle has angle measurements 100, 30, 50? [Both names]

Obtuse scalene