preci2fine
Answered

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1) A garden measures nine by eight metres. What total length of fencing is needed to surround the garden?


2) A regular octagon has sides nine centimetres long. Find its perimeter.


3) A room has all sides equal. Find the length of each side if the total area is forty-nine metres squared.

Sagot :

1) 9+8 = 17
17x2 = 34m

2) 9x8 = 72cm

3) Root 49 = 7cm
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