HOW TO DRAW ANGLES

Building angles with theset-squares

Learn how to construct angles using the 45º and 60º set squares

START

RIGHT ANGLE

OBTUSE

STRAIGHT ANGLE

REFLEX ANGLE

ACUTE

Classification of angles

PROTACTOR

SETSQUARE ANGLES

1. DRAW A STRAIGHT LINE

LET'S DRAW A 60º ANGLE

STEPS

Which tool has a 60º angle?

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 60º ANGLE

STEPS

Set the correct position and draw the line

3. DRAW

LET'S DRAW A 60º ANGLE

STEPS

Set the correct position and draw the line

3. DRAW

LET'S DRAW A 60º ANGLE

STEPS

What about a... 75º angle?

1. DRAW A STRAIGHT LINE

LET'S DRAW A 75º ANGLE

STEPS

Which tool has a 75º angle?

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 75º ANGLE

STEPS

We need to use both

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 75º ANGLE

STEPS

3. DRAW THE ANGLE

LET'S DRAW A 75º ANGLE

STEPS

75º

3. DRAW THE ANGLE

LET'S DRAW A 75º ANGLE

STEPS

What about a... 150º angle?

1. DRAW A STRAIGHT LINE

LET'S DRAW A 75º ANGLE

STEPS

Which tool has a 150º angle?

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 150º ANGLE

STEPS

We need to use both

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 150º ANGLE

STEPS

We need to use both

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 150º ANGLE

STEPS

Now it's your TURN

1. 30º
2. 90º
3. 120º
4. 135º

Draw the following angles in your notebook using your setsquares. Classify them

1. DRAW A STRAIGHT LINE

LET'S DRAW A 120º ANGLE

STEPS

Which tool has a 120º angle?

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 120º ANGLE

STEPS

We need to use both

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 120º ANGLE

STEPS

We need to use both

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 120º ANGLE

STEPS

1. DRAW A STRAIGHT LINE

LET'S DRAW A 135º ANGLE

STEPS

Which tool has a 135º angle?

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 135º ANGLE

STEPS

We need to use both

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 135º ANGLE

STEPS

We need to use both

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 135º ANGLE

STEPS

135º

We need to use both

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 135º ANGLE

STEPS

What about a... 210º angle?

1. DRAW A STRAIGHT LINE

LET'S DRAW A 210º ANGLE

STEPS

180º+30º=210º

Which tool has a 210º angle?

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 210º ANGLE

STEPS

We need to use 60º setsquare.

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 210º ANGLE

STEPS

We need to use 60º setsquare.

2. CHOOSE THE CORRECT TOOL

LET'S DRAW A 210º ANGLE

STEPS