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Ber [7]
3 years ago
13

Rachel is baking a cake but does not know if she wants to make a round or a square cake which cake has a larger area a round 8 i

nch cake or a square 9 inch cake
Mathematics
1 answer:
GarryVolchara [31]3 years ago
3 0

Answer:

The square cake has a larger area

Step-by-step explanation:

Square cake

Area = L*L = (9inch*9inch) = 81 inch^2

Round cake

(8 inches corresponds to the diameter, so the radius is 4 inches)

Area  = pi*(radius^2) = 3.1416*(8inch/2)^2 = 50.265 inch^2


Since   81 inch^2 > 50.265 inch^2

The Square cake has a bigger area

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The Circle with a center (10,1) and the radius 5 has equation
liberstina [14]
<h3>Answer:  (x-10)^2 + (y-1)^2 = 25</h3>

============================================

Explanation:

The general template of a circle is

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We are given (10,1) as the center so (h,k) = (10,1) meaning that h = 10 and k = 1 pair up together.

r = 5 is the given radius.

-----

Plug the values h = 10, k = 1, r = 5 into the equation to get:

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(x-10)^2 + (y-1)^2 = 5^2

(x-10)^2 + (y-1)^2 = 25

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