Question

Angles are formed
when two lines meet at
a point.
The point where the
two lines meet is called
the vertex.
Answer
Angles explain
Answer
Naming Angles
x
• We use this symbol (∠) to
name angles. We combine it
with the letters.
• This angle can be named in 3
ways.
∠ ABC
∠ CBA
∠ x
Answer
Measuring Angles
● We use a protractor to measure angles.
● Angles are measured in degrees. The
symbol for degrees is °.
● Each line on the protractor is 1°.
Answer
Parts of a Protractor
base line center mark
inner scale
outer scale
Answer
Right Angle
This angle forms an L shape.
(90°)
This angle is smaller than a
right angle.
(less than 90°)
This angle is bigger than a
right angle.
(greater than 90°)
Types of Angles
Acute Angle Obtuse Angle
Answer
Steps of the problem solving.
Solve the exponents
Multiply
Divide
Addition
Subtraction
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