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Andru [333]
3 years ago
15

7. The height of each story of an apartment

Mathematics
2 answers:
elena55 [62]3 years ago
7 0
If x is the amount of stories the apartment has and h is the total height of the apartment building it would be 18x=h
ivanzaharov [21]3 years ago
3 0
How many stories does it have?
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liubo4ka [24]

Answer:

10.5 squared centimetres.

Step-by-step explanation:

First, find the area of that sector. We are already given that the circle is 154 squared centimetres.

We are given 90 degrees (or one fourth of the circle). Thus, divide 154 by 4 to get the area of the sector (the white area).

The area of the sector is 154/4 or 38.5

We then need to find the area of the square. After that, we can subtract the sector area (the white area) from the area of the square (the total area) to find the area of the shaded section.

The area of the square is 7*7 or 49.

Thus, the shaded portion will be 49-38.5 or 10.5 squared centimetres.

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ANSWER: 9688.5 in total.

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