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

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

4 0

3 years ago

What is the mean of Variable A?

Pachacha [2.7K]

5 is the mean of variable a I might be wrong

8 0

3 years ago

If the diameter of a circle is 20mm, what is the area of the circle?

Vsevolod [243]

Answer:

314.16 sq mm

Step-by-step explanation:

formula for area of a circle = pi(r^2)

if the diameter is 20mm then the radius is 10 mm

When you plug in pi(10mm^2) you get 314.16 sq mm

3 0

4 years ago

Isolate the h in c=25h+350

Sati [7]

Subtract 350 from both sides then divide both sides by 25.

(c-350)/25 = h

7 0

3 years ago