Can someone please help me? if you can explain please...

2 answers:

7 0

C= pi•diameter. If the dinner plate's diameter is 7 inches, then multiply 7 times pi, 3.14. 7•3.14= 21.98. So, the answer for the first question is B, 22. :)

For the second question, it is asking for the answer in terms of pi. Since the diameter is 6, divide 6 by 2 to get the radius. (A=pi•radius squared) 6 divided by 2 is 3. Now, square 3. which gives you 9. Since the answer has to be in terms of pi, the answer is B. ;)

Leya [2.2K]4 years ago

5 0

Question 1:
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Given information
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Diameter = 7 inches

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Find Circumference
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Circumference = πD
Circumference = π x 7
Circumference = 22 inches (nearest inches)

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Answer: 22 inches
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Question 2:
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Find Radius
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Diameter = 6 feet
Radius = 6 ÷ 2
Radius = 3 feet

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Find Area
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Area = πr²
Area = π x 3 x 3
Area = 9π ft²

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Answer: 9π ft² (Answer B)
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Question 3:

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Given information
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Area = 144 in²

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Formula
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Area of Square = Length x Length

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Apply Formula
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144 = Length x Length
Length² = 144
Length = √144
Length = 12

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Answer : 12 inches (Answer A)
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