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Angles in Plane Shapes: Right, Obtuse, Acute, or Straight

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

What type of Angle is this....

a)

Right

b)

Straight

c)

Obtuse

d)

Acute

2.

What type of Angle is this....

a)

Right

b)

Straight

c)

Obtuse

d)

Acute

3.

What type of Angle is this....

a)

Right

b)

Straight

c)

Obtuse

d)

Acute

4.

What type of angle is pictured?

a)

Zero

b)

Acute

c)

Right

d)

Obtuse

e)

Straight

5.

An angle that measures less than 90°

a)

Acute

b)

Obtuse

c)

Right

d)

Straight

6.

Classify the angle

a)

Right

b)

Acute

c)

Obtuse

d)

Straight

7.

Which angle appears to be a right angle?

a)

\angle AMD

b)

\angle BMD

c)

\angle CMD

d)

\angle DMA

8.

Match the angle to what it measures.

a)

an acute angle

1.

Less than 90 degrees

b)

an obtuse angle

2.

Between 90 and 180 degrees

c)

a right angle

3.

exactly 90 degrees

d)

a straight angle

4.

exactly 180 degrees

9.

Name the angles that appear to be acute (may pick more than one).

a)

\angle AMB

b)

\angle BMC

c)

\angle CMD

d)

\angle AMD

10.

Determine the measure of the angle. Think: is it acute or obtuse?

a)

135o

b)

130o

c)

50o

d)

45o

11.

What type of angle measures LESS than 90 degrees?

a)

an acute angle

b)

an obtuse angle

c)

a right angle

d)

a straight angle

12.

What type of angle is shown?

a)

obtuse

b)

right

c)

straight

d)

acute

13.

What Angle is This

a)

Right

b)

Straight

c)

Acute

d)

Obtuse

14.

Match the angle to its description

a)

adjacent angle

1.

Angle that shares common ray and vertex

b)

an obtuse angle

2.

Angle more than 90°

c)

a right angle

3.

Angle exactly 90°

d)

a straight angle

4.

Angle exactly 180°

e)

vertical angle

5.

Angle opposite of its congruent angle

15.

What type of Angle is this....

a)

Right

b)

Straight

c)

Obtuse

d)

Acute

16.

What type of Angle is this....

a)

Right

b)

Straight

c)

Obtuse

d)

Acute

17.

What type of Angle is this....

a)

Right

b)

Straight

c)

Obtuse

d)

Acute

18.

angle measuring less than 90 degrees

a)

obtuse

b)

acute

c)

right

d)

straight

19.

any angle between 90º and 180º

a)

straight angle

b)

right angle

c)

acute angle

d)

obtuse angle

20.

Two lines that intersect and create a right angle

a)

parallel lines

b)

perpendicular lines

c)

intersecting lines