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Question

Construct the angle of 30o using a ruler and compass.

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Solution

So, to construct an angle of 30, first construct a 60 angle and then bisect it. For this, we would apply the following steps:

Step 1: Draw the arm PQ.
Step 2: Place the point of the compass at P and draw an arc that passes through Q.
Step 3: Place the point of the compass at Q and draw an arc that cuts the arc drawn in Step 2 at R.
Step 4: With the point of the compass still at Q, draw an arc near T as shown.
Step 5: With the point of the compass at R, draw an arc of the same measure to cut the arc drawn in Step 4 at T.
Step 6: Join T to P. The angle QPT is 30.

1266307_1432118_ans_b2976466cd5e418b8b93d7e72d6c5b46.gif

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