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Aditya Sai Vemparala from Amanora school, Pune
Subject :IMO    Class : Class 7

Which of the following steps is INCORRECT, while constructing LMN, right angled at M, given that LN = 5 cm and MN = 3 cm?
Step 1.MN of length 3 cm.
Step 2.M, draw MX MN. (L should be some where on this perpendicular).
Step 3.N as centre, draw an arc of radius 5 cm. (L must be on this arc, since it is at a distance of 5 cm from N).
Step 4.L has to be on the perpendicular line MX as well as on the arc drawn with centre N. Therefore , L is the meeting point of these two and LMN is obtained.

A Only Step 4
B Both Step 2 and Step 3
C Only Step 2
D None of these


The answer should be a as he has not mentioned that LM is drawn.Step 4 should also contain that

Ans 1:

teesta from DPSW, Bangalore
Class : Class 10

Ans 2:

Garv Agarwal from Somerville School Noida, Noida
Class : Class 3
could you answer/ explain this??????

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