Subject :IMO Class : Class 6
Class : Class 8
option C is the answer as when you fold each of the other figures (opt. a, b, d), you will get the same cuboid as asked in the question.
But in the third option, when you fold the figure along the lines, you will get a cuboid whose one face is missing.....
So, this is the explanation :)
Subject :IMO Class : Class 5
Ans 7:
Class : Class 6
(d) 28 kg
Just use your brain. If you are using this app in a computer, then you can zoom in
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Subject :IMO Class : Class 8
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Subject :IMO Class : Class 8
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Subject :IMO Class : Class 8
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Subject :IMO Class : Class 8
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Subject :IMO Class : Class 7
Ans 1:
Class : Class 8
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 3:
Class : Class 10
Answer is b as the length of sides of triangle are variable and therefore unique triangle cannot be constructed
Ans 7:
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 9:
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 13:
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 16:
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
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Subject :IMO Class : Class 4
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Subject :IMO Class : Class 4