Mike created a cone that has a diameter of 8 feet and a height of 3 feet. Find the volume of this cone.

Mathematics

2 answers:

zysi [14]2 years ago

4 0

Answer:

V ≈ 50.27 cubic feet

Step-by-step explanation:

V = π * r^2 * h/3

V = π * 16 * 3/3

V = 16π

V ≈ 50.27 cubic feet

Evgen [1.6K]2 years ago

4 0

Answer:

V= 50.27

Step-by-step explanation:

V=(3.14)4^2(3/3)

50.27

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Find the values of X and Y in an isosceles triangle where one angle is 47°

vladimir1956 [14]

Answer:

X and Y = 66.5°.

Step-by-step explanation:

I am assuming that X and Y are the base angles, which are equal in an isosceles triangle.

X = Y = (180 - 47) / 2

= 66.5°.

6 0

2 years ago

I have no clue to what I even need to do.

Gre4nikov [31]

$\bf \textit{arc's length}\\\\ s=r\theta ~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad radians\\ \cline{1-1} \theta =\frac{3\pi }{2}\\ s=\frac{5\pi }{2} \end{cases}\implies \cfrac{5\pi }{2}=r\cdot \cfrac{3\pi }{2}$

$\bf \cfrac{~~\begin{matrix} 2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{3~~\begin{matrix} \pi \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }\cdot \cfrac{5~~\begin{matrix} \pi \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }{~~\begin{matrix} 2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}=r\implies \cfrac{5}{3}=r$