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

Which of the following statements is INCORRECT?

A If length of any two sides of a triangle are 7 cm and 10 cm, then length of its third side lies between 3 cm and 17 cm.
B It is possible to construct a unique triangle if all its three angles are given.
C An angle of can't be constructed using compasses and ruler.
D None of these


Ans 1:

Adhrit from CHSV, Chennai
Class : Class 8
Both B and C are wrong, so one of the options definitely needs do be changes. Someone please look into this.

Ans 2:

Kavyam Rustagi from Delhi Public School, Ethalbari , Binnaguri
Class : Class 4

Ans 3:

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Class : Class 9
Aditya that is the very reason why it will be a unique triangle and option C is correct since it an angle such as that can be created by bisecting 60 degree three times

Ans 4:

Chaitanya L K from SKCHEC, bangalore
Class : Class 8
answer is D....

Ans 5:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
I mean B

Ans 6:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 9

Ans 7:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 8:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10

Ans 9:

Varsha.K from DAV Public School - Velachery, Chennai
Class : Class 5
The option b states that a unique triangle is constructed and it is possible to do so. However option c states that we CANNOT construct the angle 7.5. This is false cause it can be constructed by bisecting an angle of 60, three times.

Ans 10:

Shaashwata Paul from Genesis International School, Hyderabad
Class : Class 8
ans is b.i agree with aditya

Ans 11:

shaurya aggarwal from scholars rosary senior secondary school, rohtak
Class : Class 9
both B and C are correct as angle 7.5 can be constructed using compass and ruler and we cant construct a unique triangle with only 3 angles given.

Ans 12:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7

Ans 13:

UTKARSH SAWARN from AIR FORCE SCHAOOL AMBALA CANTT, AMBALA CANTT
Class : Class 8
ya guys the answer is D

Ans 14:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
It is meant to be c

Ans 15:

Kushal from Chirec, Hyderabad
Class : Class 7

Ans 16:

Joshua Sen from Montfort Senior Secondary School, Roorkee
Class : Class 9
a is correct (ez)b is INCORRECT (angles can be same but size can vary)c is correct (bisect 60 degrees 3times)answer should be b

Ans 17:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
Answer is b as the length of sides of triangle are variable and therefore unique triangle cannot be constructed

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