Calculate the area of each circle and show work
1 answer:
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A circle's radius is 0.3 yd. What is its area?
Formula for Area of a Circle:-
⇒ A=πr²
<u>Where</u>
- A = area
- π = pi, 3.14
- r = radius, 0.3 yd
Substitute:-
A=π(0.3)²
On simplification,
A=0.09π
On further simplification,
⇒ A=0.283 yd²
<h3>Good luck.</h3>- - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - -- - - - - - - - -
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Answer : 4.5 × 10⁴ square inches can be washed per hour.
Step-by-step explanation :
As we are given that an area can be washed at a rate of 4,900 cm²/min. Now we have to determine the square inches can be washed per hour.
Given conversions are:
1 cm = 0.39 in and 1 hr = 60 min
As, 1 cm² = (0.39)² in² and 1 min = 1/60 hr
So,
Now we have to determine the square inches can be washed per hour.
As,
So,
Therefore, 4.5 × 10⁴ square inches can be washed per hour.