A baker is making a cake like the one which is given below. The top layer of the cake has a diameter of 8 inches and the bottom layer has a diameter of 20 inches. how big should the middle layer of the cake be?
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Given data:
The top layer of the cake has a diameter of 8 inches and the bottom layer has a diameter of 20 inches.
To find:
How big should the middle layer of the cake be?
Step-by-step explanation:
Here we must understand that there is only one layer between the top layer and the bottom layer.
We assume a trapezium and the middle layer must be the middle segment of the trapezium.
Thus the length of the middle segment is
(8 + 20)/2 inches = 28/2 inches = 14 inches
Answer:
The middle layer of the cake must have a diameter of 14 inches.
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