kellyciriaco909
contestada

Margaret compared the size of two round kitchen plates. One plate has a diameter of 9 inches and the other plate has a diameter of 14
inches. What is the approximate difference between the areas of the two plates?
A 80 square inches
B. 90 square inches
C. 100 square inches
D. 110 square inches

Respuesta :

Answer:

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Step-by-step explanation:

First find the areas of both:

The plate with a diameter of 9 inches has an area of 63.585

The plate with a diameter of 14 inches has an area of 153.86

The difference of these areas is approximately 90

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TzuyuYodaEars
B

9/2 squared is 20.25
20.25 x 3.14 = 63.585
14/2 squared is 49
49 x 3.14 = 153.86
153.86-63.585=90.275