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brilliants [131]
1 year ago
12

Find the area of the circle with a radius of 4 inches use 3.14 do not round your answer

Mathematics
1 answer:
Vladimir79 [104]1 year ago
3 0

The area of the circle with radius of 4 inches is 50.24 square inches.

The area of circle is the region occupied by the circle in a two-dimensional plane. The area of the circle formula is useful for measuring the space occupied by a circular field or a plot.

It is given in the question that the radius of the circle is 4 inches.

Also, the value of \pi is given to be 3.14.

We know that, the formula for the area of a circle with radius r is \pi \ {r}^{2}

Here,

\pi = 3.14

r = 4 inches

Hence,

Area of the circle is = 3.14 * 4 * 4  square inches = 50.24 square inches.

To learn more about circle, here:-

brainly.com/question/11833983

#SPJ4

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The perimeter of a rectangle is 72 cm. The length is 3 more than twice the width What
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<h3><u>Solution</u></h3>

<u>Given </u><u>:</u><u>-</u>

  • Perimeter of rectangle = 72 cm
  • The length is 3 more than twice the width.

<u>F</u><u>i</u><u>n</u><u>d</u><u> </u><u>:</u><u>-</u>

  • Dimensions of rectangle
<h3 /><h3><u>Explantion</u></h3>

<u>Using </u><u>Formula</u>

\boxed{\underline{\tt{\red{\:(perimeter_{rectang}\:=\:2\times (Length+Width)}}}}

<u>Let,</u>

  • Length of Rectangle = x cm
  • Breadth of Rectangle = y cm

<u>According</u><u> to</u><u> question</u><u>,</u>

==> perimeter of Rectangle = 72

==> 2(x+y) = 72

==> x + y = 72/2

==> x + y = 36_________________(1)

<u>Again,</u>

==> x = 2y + 3

==> x - 2y = 3__________________(2)

<u>Subtract</u><u> </u><u>equ(</u><u>1</u><u>)</u><u> </u><u>&</u><u> </u><u>equ(</u><u>2</u><u>)</u>

==> y + 2y = 36 - 3

==> 3y = 33

==> y = 33/3

==> y = 11

<u>keep </u><u>in </u><u>equ(</u><u>1</u><u>)</u>

==> x - 2×11 = 3

==> x = 3 + 22

==> x = 25

<h3><u>Hence</u></h3>

  • <u>Length</u><u> of</u><u> </u><u>Rectangle</u><u> </u><u>=</u><u> </u><u>2</u><u>5</u><u> </u><u>cm</u>
  • <u>Width </u><u>of </u><u>Rectangle</u><u> </u><u>=</u><u> </u><u>1</u><u>1</u><u> </u><u>cm</u>

<h3><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u></h3>

<h3 />

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denpristay [2]

answer :

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i hope it helped

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