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Q.

In the figure given below, OL is perpendicular to AB and OM is perpendicular to BC such that OL=OM. Is OLBΔOMB?


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a

True

b

False 

answer is A.

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Detailed Solution

Here, we have,
OL=OM
Here, OL is perpendicular to AB and OM is perpendicular to BC. Thus,
OLB=OMB=90o
In right angle triangle OLB by the Pythagoras theorem,
OL2+BL2=OB2
OM2+BM2=OB2
OL2+BL2=OM2+BM2
BL2=BM2 
BL=BM              Since,
OLB=OMB 
OL=OM 
Thus, by side-angle side congruence criteria of congruency,
 ΔOLBOMB
Correct option is1.
 
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