3 years ago

How many 5 centimeter squares are needed to completely cover a 1 meter square without overlapping?

2 answers:

8 0

100 cm in 1 m
Use the equation- b=100cm/5.
b=20

Feliz [49]3 years ago

5 0

There are 100 centimeters in a meter
100 divided by 5 is 10
You need 10 5 centimeter squares to completely cover 1 meter square without overlapping

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Question 1

If we let $FE=x$ , then $DE=x-5$ .

Also, as $\overline{DF}$ bisects $\overline{BC}$ , this means $BE=EC=6$ .

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$6(6)=x(x-5)\\\\36=x^2 - 5x\\\\x^2 - 5x-36=0\\\\(x-9)(x+4)=0\\\\x=-4, 9$

However, as distance must be positive, we only consider the positive case, meaning FE=9

Question 2

If we let CE=x, then because AB bisects CD, CE=ED=x.

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$2(32)=x^2\\\\64=x^2\\\\x=-8, 8$

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