Draw an angle of $110 °$ with the help of a protractor and bisect it. Measure each angle.

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Solution

Step 1 Draw an angle ABC $= 110 °$ with the help of protractor
Step 2 Draw the bisectors of $∠ A B C$
Considering $B$ as a centre and a convenient radius, draw an arc to intersect the rays $BA$ at $P$ and $BC$ at $Q$ respectively.
Considering centre P and a radius greater than half of $PQ$ , draw an arc. and Considering centre Q and the same radius (as in step 2), draw another arc to cut the previous arc
Draw ray BR.
The ray BR is the required bisectors of $∠ A B C$ .
Step 3 find the value of $∠ ABD$
$\Rightarrow ∠ A B D = ∠ C B D = 55 °$
$\Rightarrow ∠ A B D = ∠ C B D = 1 / 2 ∠ A B C = 1 / 2 X 110 ° = 55 °$
Therefore, an angle of $110 °$ with the help of a protractor is drawn and bisector the angle is drawn

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