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sveta [45]
3 years ago
9

I need help badly I don't really know how to finish

Mathematics
1 answer:
wlad13 [49]3 years ago
3 0
X=55, since straight lines are 180°. Y=70, since the triangle is isosceles, and the 2 bottom Angles are equal. Z=125, since the 2 opposite angles(x and y) add up to 125°
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goldenfox [79]
\bf \textit{so the area of the wall is then }8\frac{2}{5}\times 18\frac{1}{3}
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\textit{how much is }\frac{1}{2}\textit{ of that product?}\quad \cfrac{8\frac{2}{5}\times 18\frac{1}{3}}{2}\\\\
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\bf \begin{cases}
8\frac{2}{5}\implies \cfrac{8\cdot 5+2}{5}\implies &\cfrac{42}{5}\\\\
18\frac{1}{3}\implies \cfrac{18\cdot 3+1}{3}\implies &\cfrac{55}{3}
\end{cases}
\\\\\\
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Here you go, hope it helps :)

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