Math, asked by ashi18291, 3 months ago

How to construct 75 dgree

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Answered by Shreyap18323
1

Answer:

How to construct a 75-degree angle

The Protractor

It is a semi-circular disc used to draw and measure angles. It is graduated from 0 to 180 degrees and can be directly used to measure any angle within the range. It has two sets of markings, 0 to 180 degrees from left to right and vice versa.

For constructing angles of any given measure, be it an acute, an obtuse or a right-angle, the simplest method is by using a protractor. Let us say, you are asked to construct an angle of 120 degrees. The required steps are:

Draw a line segment BC, which is one of the arms of the angle that is to be constructed.

Place the protractor with its point O on the point B of the line segment BC.

Align OQ along the edge BC.

The protractor has two-way markings. We consider the scale which has 0 degrees near point C for construction. Mark point A next to the 120 degrees mark on the scale.

Join points A and B. ∠ABC = 120 degrees is the required angle.

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