The area of a circular pizza is 2122.64 square centimetres. what is the diameter of the pizza

Mathematics

1 answer:

BartSMP [9]2 years ago

8 0

Answer:

The radius = 13 square inches.

Explanation:

The surface are of a sphere has the formula SA=4πr2. SA=2122.64 so 2122.64=4πr2.

You might be interested in

What is a reasonable measure for the angle shown?

monitta

10° is your answer for the angle

7 0

3 years ago

Suppose the radius of a circle is 5.what is its diameter

Gnom [1K]

The diameter would be twice 5, or 10

8 0

3 years ago

Read 2 more answers

Each day of overtime you work, you earn an additional $50 more than your regular pay of $100 a day.If you worked overtime 3 out

shusha [124]

The answer is 650 because 100 * 5 = 500 and 50 * 3 = 150 and 500 + 150 = 650

3 0

3 years ago

A boat travels 40 miles in 2

Veseljchak [2.6K]

Answer:

480 miles in 24 hours.

Step-by-step explanation:

40miles/2hours = x miles/24hours

40 × 24 ÷ 2 = 480

<em>good luck, i hope this helps :)</em>

5 0

3 years ago

Read 2 more answers

Can anyone figure this out?

Verizon [17]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ N(\stackrel{x_1}{-3}~,~\stackrel{y_1}{10})\qquad A(\stackrel{x_2}{6}~,~\stackrel{y_2}{3})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ NA=\sqrt{(6+3)^2+(3-10)^2}\implies NA=\sqrt{130} \\\\[-0.35em] ~\dotfill\\\\ A(\stackrel{x_2}{6}~,~\stackrel{y_2}{3})\qquad D(\stackrel{x_1}{6}~,~\stackrel{y_1}{-1}) \\\\\\ AD=\sqrt{(6-6)^2+(-1-3)^2}\implies AD=4 \\\\[-0.35em] ~\dotfill$

$\bf D(\stackrel{x_1}{6}~,~\stackrel{y_1}{-1})\qquad N(\stackrel{x_1}{-3}~,~\stackrel{y_1}{10}) \\\\\\ DN=\sqrt{(-3-6)^2+(10+1)^2}\implies DN=\sqrt{202}$

now that we know how long each one is, let's plug those in Heron's Area formula.

$\bf \qquad \textit{Heron's area formula} \\\\ A=\sqrt{s(s-a)(s-b)(s-c)}\qquad \begin{cases} s=\frac{a+b+c}{2}\\[-0.5em] \hrulefill\\ a=\sqrt{130}\\ b=4\\ c=\sqrt{202}\\[1em] s=\frac{\sqrt{130}+4+\sqrt{202}}{2}\\[1em] s\approx 14.81 \end{cases} \\\\\\ A=\sqrt{14.81(14.81-\sqrt{130})(14.81-4)(14.81-\sqrt{202})} \\\\\\ A=\sqrt{324}\implies A=18$

5 0

3 years ago