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creativ13 [48]
2 years ago
13

A butterfly can fly 82 feet in four seconds and a dragonfly 50 in two seconds. which is faster

Mathematics
1 answer:
Elza [17]2 years ago
6 0

Answer:

The dragonfly is 4.5 feet per second faster.

Step-by-step explanation:

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What is the exact area of a circle with a diameter of 20 cm?
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Hi there! The answer is 100πcm^2

The radius of a circle can be found by dividing the diameter by 2. In other words : the radius is half of the diameter.
Therefore, the radius of a circle with a diameter of 20 cm is 10 cm.

The exact area of a circle can be found using the following formula:
a = \pi \times \: {r}^{2} \\ with \\ a = area \\ r = radius

In order to find our answer, we need to plug in the data from the question.
a = \pi \: \times {10}^{2} = 100\pi

Hence, the answer is 100πcm^2.
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