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jeka94
2 years ago
10

Find the Perimeter & Area for the following circle.

Mathematics
2 answers:
Feliz [49]2 years ago
6 0

Answer:

A = 28.3 cubic inches; P = 20.1 inches

Step-by-step explanation:

<em>Looks like 3/4 of a full circle</em>

<em>The area of a circle is calculated with the formula: </em>\pi r^{2}

<em>Since the problem wants pi = 3.14, we use 3.14 instead of pi in the equation.</em>

<em>The radius is given as 3 inches</em>

Area = 3.14*3^{2} = 3.14*9 = 28.26 cubic inches = 28.3 cubic inches

------------------------

<em>Perimeter is calculated with </em>2\pi r<em>.</em>

<em>But this is 3/4 of a circle with an additional two 3-inch sides</em>

Perimeter = \frac{3}{4}*2\pi r + 2(3) = 14.1 + 6 = 20.1 inches

AnnyKZ [126]2 years ago
6 0

Answer:

Step-by-step explanation:

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Can you help me find the answer to it pls and ty &lt;3 .
grin007 [14]

The expression that represent the area of the cut off part is 81π / 4

<h3>How to find area?</h3>

The area of the cut off part can be found as follows:

Area of a circle = πr²

where

  • r = radius

Therefore, the cut off part is like 1 / 4th of a circle.

Hence,

area of the cut off region = πr² / 4

r = 9 inches

area of the cut off region =  π9² / 4

area of the cut off region = 81π / 4

learn more on area here: brainly.com/question/15403474

#SPJ1

4 0
1 year ago
Or an angle θ with the point (−20, −21) on its terminating side, what is the value of cosine?
kherson [118]
Cos(θ) = -20/√((-20)^2 +(-21)^2)
.. = -20/-√841 . . . . . . . . . . . . . . . . . θ is a 4th-quadrant angle, so cos(θ) > 0
.. = 20/29

The value of the cosine is 20/29.
3 0
3 years ago
Read 2 more answers
What is the least common multiple of 24 and 9 *<br> 3<br> 1<br> 72<br> 216
notka56 [123]

Answer:

<h3>The least common multiple of 24 and 9 is 72.</h3>

Step-by-step explanation:

<h3>I hope l helped you ❤❤</h3>
7 0
3 years ago
Please help.
Archy [21]

Answer:

2π

Step-by-step explanation:

When a circle's radius is 1—called a unit circle—its circumference is 2π.

7 0
2 years ago
Read 2 more answers
Solve 16(t - 1) + 10 &gt; 8(t + 2) + 4(t - 1) + 4t.
Neporo4naja [7]

Answer:

The answer to your question is it has no solution

Step-by-step explanation:

Inequality

                   16(t - 1) + 10 > 8(t + 2) + 4(t - 1) + 4t

-Expand

                   16t - 16 + 10 > 8t + 16 + 4t - 4 + 4t

- Group like terms

                   16t - 8t - 4t - 4t > 16 - 4 + 16 - 10

-Simplify

                                       0 > 18

- It has no solution because the variable is cancelled.

3 0
3 years ago
Read 2 more answers
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