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Triss [41]
3 years ago
12

A) If each interior angle measures 20, how many sides does the polygon have?

Mathematics
1 answer:
olchik [2.2K]3 years ago
4 0
A) I think part "A" should read "If each EXTERIOR angle..."
The number of sides is 18
B) Each interior angle = 160 degrees
C) 2,880 degrees
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Please help, The wording is throwing me off so badly.
sweet [91]

first off, let's recall that a cube is just 6 squares stacked up to each other, like in the picture below. Since we know its volume, we can find how long each side is.

part A)

\bf \textit{volume of a cube}\\\\V=x^3~~\begin{cases}x=side\\[-0.5em]\hrulefill\\V=64\end{cases}\implies 64=x^3\implies \sqrt[3]{64}=x\implies 4=x


part B)


they have a painting with an area of 12 ft², will the painting fit flat against a side? Well, it can only fit flat if the sides of the painting are the same length or smaller than the sides of the crate, we know the crate is a 4x4x4, so are the painting's sides 4 or less?


\bf \textit{area of a square}\\\\A=s^2~~\begin{cases}s=side\\[-0.5em]\hrulefill\\A=12\end{cases}\implies 12=s^2\implies \sqrt{12}=s\implies \stackrel{yes}{3.464\approx s}

7 0
4 years ago
The total amount of deductions from an employee’s gross pay is $83.20. If the gross pay is $378.18, what percent of their gross
lutik1710 [3]

The <em><u>correct answer</u></em> is:

b. 22%

Explanation:

To find the percentage withheld, we divide the amount withheld by the gross pay.  This means we divide

83.2 ÷ 378.18 = 0.2200010577 ≈ 0.22 = 22%

5 0
3 years ago
Read 2 more answers
To increase him an amount by 70% what’s in the multiplier would you use
Sveta_85 [38]

You would multiply the amount by 1.70 for example increasing £50 by 70% would be £85

4 0
3 years ago
What two numbers multiply to make 2100 and add to make -125
Anna11 [10]
-105 and -20.
-105 x (-20) =2100
-105 + (-20) = -125
:)
5 0
3 years ago
A teacher needs to find out how many seventh-grade students will be going on a field trip. Which best describes the population t
Otrada [13]
They should survey the seventh grade population because they are the only ones with a chance of going on the trip
4 0
3 years ago
Read 2 more answers
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