Question

Find the area of a circle with diameter 18 yd.

Answer 1

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

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

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

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

Answer 2

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,

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

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

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

Hence,

• Area of the circle is 254.34 yd²