4 years ago

What is the area of a rectangle that measures 9cm by 81mm?

1 answer:

3 0

Well, a Centimeter is 10 times bigger than a Milimeter.

So we can convert 9cm by multiplying it by 10

9 × 10= 90mm

SInce we know the length and width of the rectangle, we can now find the area of it, or "the space inside".

Area = length × width

Area = 90mm × 81mm
Area = 7290mm

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