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ozzi
3 years ago
13

A rectangular aquarium 3 ft. x 2 ft. 1 ft. is 2/3 full of water. In cubic feet, how much water is in the tank

Mathematics
1 answer:
tatuchka [14]3 years ago
6 0

To find the volume of a rectangular prism, we must multiply the length * width * height.


In this case,


Volume = 3 ft * 2 ft * 1 ft

= 6 ft^3


Because this tank is 2/3 full with water, to find out how much water is in the tank, we must multiply 2/3 by the total volume of the tank (6 ft^3).


2/3 * 6 ft^3 = 4 ft^3


This means that there are 4 cubic feet of water in the tank.


Hope this helps!

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7190 cm²

Step-by-step explanation:

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Sabendo que recortou 2 triângulos, ambos com 20cm de base e 30cm de altura

Encontramos a área de um triângulo

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= 1/2 × 20 × 30

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= 600cm²

etapa 3

Ele também cortou 2 trapézios ambos com bases de 10cm e 20cm e altura de 7cm.

A área de um trapézio =

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A área total do papelão que foi cortado = 600cm² + 210cm²

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Determine em cm² quanto de papelão sobrou.

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Área total do papelão - Área total que foi cortada

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