3 years ago

The sum of the angle measures in a 21-gon is

Mathematics

1 answer:

Dominik [7]3 years ago

6 0

Answer:

180

Step-by-step explanation: The exterior angles sum to 360 and there are 21

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there are 100 pennies in a dollar what fraction of a dollar is 61 pennies write a fraction decimal and word form

ycow [4]

$\bf \begin{array}{ccllll}
dollar&pennies\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
1&100\\
x&61
\end{array}\implies \cfrac{1}{x}=\cfrac{100}{61}$

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What is the product (<img src="https://tex.z-dn.net/?f=%287%5Csqrt%7B8%7D%20%2B3%5Csqrt%7B12%7D%20%29%287%5Csqrt%7B8%7D%20-3%5Cs

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