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Question Help - GL pk 3 paper 8 q18

Posted: Tue Feb 16, 2021 11:31 pm
by summersun
Hi

I would really appreciate some help on this question. After working through it my son went for B (no straight sides on the main shape - he thought the small lines at the bottom must be a red herring as he couldn't see a pattern). The answer given is A. Any thoughts - is it the number of lines a the bottom match the number of curved sides that look like the one at the top of A? A bit odd if so as the 2nd shape in the question has 2 curved sides.

Thanks!

Image

Re: Question Help - GL pk 3 paper 8 q18

Posted: Wed Feb 17, 2021 7:01 am
by gg234
I think A is correct.From the pictures no.of curves are matching the bottom no. of lines so ans A has one curve and one line.

Re: Question Help - GL pk 3 paper 8 q18

Posted: Wed Feb 17, 2021 8:44 am
by mad?
I have A also, only A and D have one line at the bottom. The original shapes have 2 or 4 lines to them, of A and D only A has 2 or 4 lines (4).

Re: Question Help - GL pk 3 paper 8 q18

Posted: Wed Feb 17, 2021 12:09 pm
by summersun
Thanks - yes I was thinking it was number of curves matching number of lines but doesn't the 2 figure in the question have 2 curves (if you count the top side) but only has one line?

Re: Question Help - GL pk 3 paper 8 q18

Posted: Wed Feb 17, 2021 12:15 pm
by mad?
I was counting curves and lines as the same - I ignored their shape

Re: Question Help - GL pk 3 paper 8 q18

Posted: Wed Feb 17, 2021 5:06 pm
by OverEagerDad
Concave and convex?

Re: Question Help - GL pk 3 paper 8 q18

Posted: Wed Feb 17, 2021 6:57 pm
by summersun
Thanks yes I think that must be it! Same number of small lines at the bottom as concave sides.

Thanks everyone!