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3 years ago

12

The volume of a rectangular prism is 441 cubic cm. If the height of the prism is 11 cm, what is the area of is base? (Round to t

he nearest tenth)

1 answer:

torisob [31]3 years ago

3 0

Answer:

40.1 cm²

Step-by-step explanation:

V (rectangular prism) = Base area x Height

441 = BA x 11

BA = 441 / 11 = 40.1

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Answer:

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Step-by-step explanation:

do what's inside parentheses first

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3 years ago

Find the reference angle given: t= -5π/3.

Elina [12.6K]

Answer:

The reference angle is $\frac{\pi}{3}$

Step-by-step explanation:

The given angle is $t=-\frac{5\pi}{3}$

The reference angle is the acute angle, that a given angle makes with the x-axis.

First let us make a sketch of the given angle. <em>See diagram in attachment.</em>

Let $\theta$ be the reference angle of $t=-\frac{5\pi}{3}$

Then, from the diagram, we need to subtract $\theta$ from $-\frac{5\pi}{3}$ to get to $-2\pi$ .

We can therefore write the following equation and solve for $\theta$ .

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We group like terms to get,

$\Rightarrow -\theta=-2\pi +\frac{5\pi}{3}$

We collect LCM to get,

$\Rightarrow -\theta=\frac{-6\pi+5\pi}{3}$

We simplify to get,

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We divide through by $-1$

$\theta=\frac{\pi}{3}$ to get,

The correct answer is D.

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2 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers