Naming, Classifying, and Measuring Angles

Choose ALL possible ways of naming the given angle.

• ∠RST

• ∠TSR

• ∠1

• ∠SRT

Choose ALL possible ways of naming the given angle.

• ∠NOP

• ∠PON

• ∠OPN

• ∠NPO

What angle measures exactly 90° ?

• Acute Angle

• Obtuse Angle

• Right Angle

• Straight Angle

What angle measures less than 90° ?

• Acute Angle

• Obtuse Angle

• Right Angle

• Straight Angle

Read the protractor and measure the angle (type only the number).

______ degrees

Read the protractor and measure the angle (type only the number).

______ degrees

Read the protractor and measure the angle (type only the number).

______ degrees

Classify the type of angle formed by the hands of the clock. Write acute, obtuse, or right.

Type: _____ angle

Classify the type of angle formed by the hands of the clock. Write acute, obtuse, or right.

Type: _____ angle

Classify the type of angle formed by the hands of the clock. Write acute, obtuse, or right.

Type: _____ angle