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Q4.    Construct the following angles and verify by measuring them by a protractor:

                (ii)    105o

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The steps of construction to be followed:


Step 1: Draw a ray OY.

Step 2: Then, taking O as a centre, draw an arc ABC.

Step 3:  Now, with A as a centre, draw two arcs B and C which are made on the arc ABC.

Step 4: Taking B and C as centres simulataneously, arcs are made to intersect at E and \angle EOY =90^{\circ} is constructed.

Step 5: With B and C as centres, arcs are made to intersect at X.

Step 6: Join the OX and we get \angle XOY =105^{\circ} is constructed.

Thus, the angle XOY is 105^{\circ}.

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Ritika Kankaria

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