Q. 94.2( 5 Votes )

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Answer :

Steps of construction

STEP1: Using the protractor, draw angle ABC of measure 108°.

STEP2: With centre B, and taking any radius, draw an arc, intersecting the ray BA and the ray BC at point D and E respectively.

STEP 3: With centre D and radius greater than half of DE, draw an arc inside the angle.With centre E and taking the same radius as in STEP 3, draw an arc intersecting the arc drawn in STEP 3, at F.

Draw the ray BF. This is the angle bisector of angle ABC. So, angle FBC = 54°.

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