3 years ago

A) 10.5 b) 4 c) 10 d) 6

1 answer:

5 0

The answer is b. You can find it by doing Pythagorean theorem. You know the radius and one side of the triangle, so now you solve for the other side by using that theorem. Once you have the length of the missing side you subtract it from the radius. (14.5 - 10.5).

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4 years ago

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Find the equation of the line that contains the given points. P1(−8, 5), P2(−8, −5)

zavuch27 [327]

$\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ -8}}\quad ,&{{ 5}})\quad 
% (c,d)
&({{ -8}}\quad ,&{{ -5}})
\end{array}
\\\\\\
% slope = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{-5-5}{-8-(-8)}
\\\\\\
\cfrac{-10}{-8+8}\implies \stackrel{und efined}{\cfrac{-10}{0}}$

that simply means, is a vertical line, check the picture below.