Using a protractor, draw each of the following angles.
$-40^{\circ}$
The given angle is negative
Adding or subtracting $360^{\circ}$ from a particular angle does'nt changes its position.
Therefore, Angle can also be written as $=-40^{\circ}+360^{\circ}=320^{\circ}$
- Draw a straight line AB.
- Place a dot at B. This dot represents the vertex of the angle.
- Place the centre of the protractor at B and the baseline of the protractor along the arm BA.
- Find $320^{\circ}$ on the scale and mark a small dot at the edge of the protractor.
- Join the vertex $B$ to the small dot with a ruler to form the second arm, $B C$, of the angle.
- Mark the angle with a small arc as shown below.
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