1.

Avneetbuys 9 square paving slabs, each with a side of m.He lays them in the form of a square.(a) What is the perimeter of his arrangement [figure (i)]?(b) Shari does not like his arrangement. She gets him to lay them outlike a cross. What is the perimeter of her arrangement [figure (ii)]?(c) Which has greater perimeter?(d) Avneet wonders if there is a way of getting an even greaterperimeter. Can you find a way of doing this? (The paving slabs mustmeet along complete edges i.e. they cannot be broken.)

Answer»

Avneet
buys 9 square paving slabs, each with a side of
m.
He lays them in the form of a square.








(a) What is the perimeter of his arrangement [figure (i)]?



(b) Shari does not like his arrangement. She gets him to lay them out
like a cross. What is the perimeter of her arrangement [figure (ii)]?



(c) Which has greater perimeter?



(d) Avneet wonders if there is a way of getting an even greater
perimeter. Can you find a way of doing this? (The paving slabs must
meet along complete edges i.e. they cannot be broken.)



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