3 years ago

How to find the exterior angle sum of a 500gon

Mathematics

1 answer:

seropon [69]3 years ago

6 0

360 deegrees you welcome

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Can you please help me with this problem

vagabundo [1.1K]

$\bf \begin{cases}
\textit{area of a circle}=\pi r^2
\\ \quad \\
circumference=2\pi r
\end{cases}
\\ \quad \\

12.56=\pi r^2\implies \cfrac{12.56}{\pi }=r^2\implies \sqrt{\cfrac{12.56}{\pi }}=\boxed{r}
\\ \quad \\
thus
\\ \quad \\
circumference=2\pi \boxed{r}\implies 2\pi \boxed{\sqrt{\cfrac{12.56}{\pi }}}$

8 0

4 years ago

Item 9 Find the annual interest rate. I=$562.50, P=$1500, t=5 yearsI=$562.50, P=$1500, t=5 years The annual interest rate is %.

Anton [14]

Hi there :-)
The formula of the simple interest is
I=prt
your question ask to find r which is interest rate you do that by dividing each side by (pt) to get
R=I÷pt
Now solve to get the interest rate
R=562.5÷(1,500×5)
R=0.075×100 multiply by 100 to get it as percentage
R=7.5%

Hope it helps:-)

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3 years ago

Disregard anything that is already answered I was guessing. I really need help.

iris [78.8K]

i tjibk ut would be anthung weit wgat us thrs

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3 years ago

√ 5 ( 3 √ 2 + 5 √ 5 )

Nutka1998 [239]

Answer:

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Step-by-step explanation:

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4 years ago

Given AB=10cm, CD=11cm, and AD=39cm, find the length of BC

liraira [26]

Answer:

BC = 18 cm

Step-by-step explanation:

As we can see from the diagram:

AB + BC + CD = AD

⇒ 10 cm + BC + 11 cm = 39 cm

⇒ BC + 21 cm = 39 cm

⇒ BC = 39 cm - 21 cm

⇒ BC = 18 cm

7 0

2 years ago