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# Angles - PowerPoint PPT Presentation

Angles. What is to be learned?. How to identify types of angles How to name angles How to measure and draw angles. What is an angle?. Arms. Measuring Angles. We use degrees. Vertex. Types of Angle. Right Angle. 90 degrees. 90 0. Less than 90 0. Acute Angle. Straight Angle. 180 0.

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## PowerPoint Slideshow about ' Angles' - quasar

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### Angles

• How to identify types of angles

• How to name angles

• How to measure and draw angles

Arms

Measuring Angles

We use degrees

Vertex

Right Angle

90 degrees

900

Less than 900

Acute Angle

1800

Obtuse Angle

More than 900

and less than 1800

1800

Obtuse Angle

More than 900

and less than 1800

1800

Reflex Angle

More than 1800

and less than 3600

3600

These are Types of Angles

Not the names

Acute

Reflex

1340

Obtuse

370

Acute

1800

Straight

2780

Reflex

900

Right

2560

930

Reflex

Obtuse

900

720

Acute

3600

1370

1810

240

R

H

T

LTHR

or LRHT

vertex is always in the middle

LMYG or LGYM

Y

G

T

LTAB or LBAT

A

B

Y

K

E

LDEK or LKED

LWUK or LKUW

U

W

K

F

B

Zero

Always have an estimate in your mind

2

4

3

400

Zero