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Lera25 [3.4K]
2 years ago
7

Find the area of a circle with diameter 18 yd.

Mathematics
2 answers:
otez555 [7]2 years ago
8 0

\sf\large \green{\underbrace{\red{Answer⋆}}}:

\sf{\Large {Area \:  of  \: circle \:  is \:  254.34 \: {yd}^{2}}}

Step-by-step explanation:

\textsf{\blue{\underline{\large{To find :-}}}}

The area of the circle

\textsf{\red{\underline{\large{Given :-}}}}

Diameter (d) = 18 yd

radius (r) = ?

π = 3.14

\textsf{\orange{\underline{\underline{\huge{Solution :-}}}}}

First we have to find radius

\sf \purple{radius = \frac{diameter}{2}}  \\   \sf r = \frac{d}{2} \\  \sf r = \frac{18}{2}  \\   \sf r = 9  \: yd

With the help of radius we can find area

\sf \green{Area  \: of \:  circle = \pi {radius}^{2}}  \\   \sf Area \:  of  \: circle = \pi {r}^{2}  \\   \sf Area = 3.14 \times {9}^{2}  \\   \sf Area = 3.14 \times 81  \\   \sf { \pink{ Area = 254.34 \: {yd}^{2}}}

larisa [96]2 years ago
6 0

Answer:

  • Area of the circle is 254.34 yd²

Step-by-step explanation:

Given:

  • Diameter of circle = 18 yd
  • π = 3.14

To Find:

  • Area of circle.

Solution:

  • Diameter = 18 yd
  • Radius = 18/2 = 9 yd

We know that,

\: \: \:  \:  \dashrightarrow \:  \:  \:  \:  \: {\underline{\boxed{\sf{Area \:  of  \: circle = \pi r^2}}}} \\ \\

Substituting the required values,

\\

\: \: \:  \:  \dashrightarrow \:  \:  \:  \:  \: \sf Area_{(circle)} = 3.14 \times  {(9)}^{2}  \\ \\

\:  \:  \:  \:  \dashrightarrow \:  \:  \:  \:  \: \sf  Area_{(circle)} = 3.14 \times 81 \\  \\

\: \: \:  \:  \dashrightarrow { \:  \:  \:  \:  \: \sf Area_{(circle)} = 254.34 \:  {yd}^{2}}  \\  \\

<u>Hence,</u>

  • <u>Area of the circle is 254.34 yd²</u>
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