Draw an angle of 120° with the help of a protractor. Name the angle and write its arms and vertex also.​

Question

Draw an angle of 120° with the help of a protractor. Name the angle and write its arms and vertex also.​

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Everleigh 4 weeks 2021-08-19T04:57:29+00:00 1 Answer 0 views 0

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    2021-08-19T04:59:09+00:00

    Answer:

    Step-by-step explanation:

    Draw ∠BXA = 120° with the help of a protractor. Now, we use the following steps for required construction.  

    1.Taking X as Center and any radius draw an arc to Intersect the rays XA and XB, say at E and D, respectively.

    2.Taking D and E as centers and with the radius more than 1/2 DE, draw arcs to intersect

    each other, say at F.

    3.Draw the ray XF.

    Thus, ray XF is the required bisector of the angle B X A. On measuring each angle, we get

    ∠BXC = ∠AXC = 60°.

    [∴ ∠BXC = ∠AXC = 1/2 ∠BXA = 1/2 x 120° = 60° ].

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