What is the volume of a pyramid with base area B = 9 ft2 and height h = 11 ft?

Mathematics

2 answers:

guapka [62]2 years ago

6 0

The answer is A. 33 ft3

Sophie [7]2 years ago

3 0

Since the equation for the volume of a pyramid is V=1/3BH you would put the answers in like this V=1/3(9)(11) which would equal V=1/3(99) which would be A. 33ft^3

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Tony used a photocopier to dilate the design for a monorail track system. The figure below shows the design and its photocopy

Darina [25.2K]

Answer:

12 m

Step-by-step explanation:

Given that the design, ABCD, was dilated to get a photocopy, EFGH, a scale factor or ratio was multiplied by the original lengths of the design to get the new measurement of the photocopy.

Thus, we are given the ratio, CD:GH = 2:3.

This means, any of the corresponding lengths of both figures would be in that same ratio.

Using the ratio of the design to the photocopy, 2:3, we can find the length of side EH of the photocopy.

The corresponding side of EH in the design is AD = 8m. Thus, AD to EH = ⅔

$\frac{AD}{EH} = \frac{2}{3}$