Q28 of 78 Page 23

The number of common points in the two angles marked in Fig. 2.19 is _____.

1

Only point A is common.


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26

The number of right angles in a straight angle is _____ and that in a complete angle is_____.

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The number of common points in the two angles marked in Fig. 2.18 is _____.

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The number of common points in the two angles marked in Fig. 2.20 ______.

 30

The number of common points in the two angles marked in Fig. 2.21 is ______.