Reach for the Summit - M-S5-A3

Probability Level 2

As shown above, a copied version of this image of Alice has been scaled uniformly, rotated and put inside the original one.

Then how many points are there correspond to the same relative position of the copy and the original one?

Reach for the Summit problem set - Mathematics

More than 1 \textup{More than 1} Infinite \textup{Infinite} 0 or 1 \textup{0 or 1} 1 \textup{1} 0 \textup{0}

Alice Smith by Alice Smith , 20, China

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1 solution

James Watson
Jul 27, 2020

given that the image has been rotated about the centre and not moved, the centre is still in the same relative position as it was before the transformation. this means that there is only 1 \boxed{1} position

0 Helpful 0 Interesting 0 Brilliant 1 Confused

I didn't understand that it couldn't have been moved, therefore i thought that 0 or 1 was the right solution

Matteo Bianchi - 10 months, 2 weeks ago

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