Q55 of 78 Page 23

Find out the incorrect statement, if any, in the following:

An angle is formed when we have


(a) two rays with a common end-point


(b) two line segments with a common end-point


(c) a ray and a line segment with a common end-point

Angle is made by two rays or lines having a common end point. So, option (b) and (c) are incorrect.


More from this chapter

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53

Draw two acute angles and one obtuse angle without using a protractor. Estimate the measures of the angles. Measure them with the help of a protractor and see how much accurate is your estimate.

 54

Look at Fig. 2.34. Mark a point


(a) A which is in the interior of both ∠1 and ∠2.


(b) B which is in the interior of only ∠1.


(c) Point C in the interior of ∠1.


Now, state whether points B and C lie in the interior of ∠2 also.

 56

In which of the following figures (Fig. 2.35),

(a) perpendicular bisector is shown?


(b) bisector is shown?


(c) only bisector is shown?


(d) only perpendicular is shown?


 57

What is common in the following figures (i) and (ii) (Fig. 2.36.)?


Is Fig. 2.36 (i) that of triangle? if not, why?