JenaiW
Answered

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Paisley and her dad are digging a pond in their yard. They know the diameter will be 50 yards. What will the area of the pond be?


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Sagot :

semsee45

Answer:

See step-by-step, as it depends which value of pi you use.

Step-by-step explanation:

Equations

  • Diameter = [tex]2r[/tex]
  • Area of a circle = [tex]\pi r^2[/tex] (where r is the radius)

Assuming the pond is circular...

Diameter of pond = 50 yd ⇒ r = 50 ÷ 2 = 25 yd

Substitute r = 25 into the equation for the area of a circle:

[tex]\implies A= \pi \times25^2=625\pi[/tex] yd²

Using [tex]\pi =3.14[/tex], area = 1962.5 yd²

Using [tex]\pi=\dfrac{22}{7}[/tex], area = 1964.3 yd² (nearest tenth)

Using [tex]\pi[/tex], area = 1963.5 yd² (nearest tenth)

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