Answered

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A model of a lighthouse has diameter 8 inches and height 18 inches. If the
actual diameter of the lighthouse is 20 feet, find its actual height.

Sagot :

Francocanacariidn

Answer:

45 feet.

Step-by-step explanation:

Given that a model of a lighthouse has diameter 8 inches and height 18 inches, and the actual diameter of the lighthouse is 20 feet, in order to find its actual height, the following calculation has to be made:

20 feet = 240 inches

240 / 8 = 30

Scale ratio: 1:30

18 x 30 = 540

540 inches = 45 feet

Therefore, the actual height of the lighthouse is 45 feet.

Answer:

45 ft

Step-by-step explanation:

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