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lesantik [10]
3 years ago
10

Explain why you can use πr2 to find the area of the base of a cone

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
8 0
The base of a cone is a circle.

The area of a circle is \pi r^2.

Thus, the area of the base of a cone \pi r^2.

The derivation of the formula for the area of a circle involves a bit of calculus, but if you'd like, I can walk you through it.
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Benthenny completed 20% of a 50 page reading assighment. how many pages did she read?
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The LA Dodgers hit the most homeruns in 2014. The number of homeruns accounted for 6% of the entire major League baseball homeru
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35 homeruns

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Please answer this fast in two minutes
Musya8 [376]

Answer:

65 degrees.

Step-by-step explanation:

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6 0
3 years ago
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Pete, Lulu and Liza are walking in the Boston downtown. Each time Pete takes 4
Rasek [7]

If Liza takes 120 steps, then the number of steps taken by Pete will be 72.

<h3>What are a ratio and a proportion?</h3>

A ratio is an ordered set of integers a and b expressed as a/b, with b never equaling 0. A percentage is a mathematical expression in which two things are equal.

Pete, Lulu, and Liza are walking in the Boston downtown. Each time Pete takes 4 steps, Lulu takes 3 steps. Each time Lulu takes 5 steps, Liza takes 4 steps.

Then the relation between is given as

4 Pete → 4 Lulu

5 Lulu → 4 Liza

Then we have

\rm \dfrac{5}{3} \times 4 \  Pete  \rightarrow \dfrac{5}{3} \ Lulu \rightarrow 4 \ Liza

If Liza takes 120 steps, then the number of the step taken by Pete will be

\rm \dfrac{5}{3} \times 4 \  Pete  \rightarrow 4 \times 120 \\\\Pete  \rightarrow 72

More about the ratio and the proportion link is given below.

brainly.com/question/14335762

#SPJ1

7 0
2 years ago
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