Explanation: As you make the segments smaller and smaller, the parallelogram becomes more of a rectangle with shorter side equal to the radius of the circle r and longer side πr - half of the circumference of the circle. Hence we get the formula πr2 for the area of a circle of radius r .

Step-by-step explanation:

4 0

3 years ago

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a certain atore has a fax machine available for use by its customers. the store charges $2.30 to send the first page and $0.40 f

VikaD [51]

2.30 + 0.40(x - 1) < = 5.10
2.30 + 0.40x - 0.40 < = 5.10
1.90 + 0.40x < = 5.10
0.40x < = 5.10 - 1.90
0.40x < = 3.20
x < = 3.20 / 0.40
x < = 8 <=== 8 pages, at the most, can be faxed

3 0

4 years ago

an architect is designibg a tapered office tower where rge ground floor us the largwst amd the floor space is reduced by 6.3% pe

Gemiola [76]

The area of the ground floor after it has been reduced to the nearest tenth is 10,681,800 square foot.

<h3>What is the area of the ground floor?</h3>

In order to determine the area of the ground floor after it has been reduced, the area of the floor has to reduced by 6.3%.

Area that was reduced = 6.3% x 11,400,000 = 718,200

New area = 11,400,000 - 718,200 = 10,681,800 square foot

To learn more about percentages, please check: brainly.com/question/25764815

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3 years ago