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3 years ago

How do I explain. how to compare 2 lengths that are measured in different size units. Please help.

1 answer:

3 0

Change either of them to the same unit to compare
For example:
which is larger 10 cm or 3 m?
These are 2 different lengths measured in two different size units.
m ⇒ cm
1 m ⇒ 100 cm
3 m ⇒ 300 cm

So, 300 cm is greater than 10 cm

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Maksim231197 [3]

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3 years ago

Read 2 more answers

A square is folded into half to form a rectangle. the perimeter of the rectangle is 36cm. calculate the area of a square

zhannawk [14.2K]

Answer:

Let the measure of each side of the square be " x " cm.

then ,

area of square = x²

After we folded the square into a rectangle ,

length of rectangle = x

breadth of rectangle = x/2

perimeter of rectangle = 36 cm

$x + \frac{x}{2} + x + \frac{x}{2} = 36 \\ \\ \frac{2x + x + 2x + x}{2} = 36 \\ \\ \frac{6x}{2} = 36 \\ \\ 6x = 36 \times 2 \\ \\ 6x = 72 \\ \\ 6x = \cancel{\frac{72}{6} } = 12cm$

hence ,

side of square = 12 cm

therefore ,

area of square = 12 × 12 = 144 cm²

hope helpful~

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3 years ago