Find the area of the polygon:

Mathematics

1 answer:

Vesna [10]2 years ago

8 0

Answer:

this figure is trapezium.

area of trapezium =1/2×(a+b)h

area of trapezium =1/2×(7+24)×24

area pf trapezium =1/2×31×24

area of trapezium =372unit²

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Read 2 more answers

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Answer:

$(x,y)=\left(\; \boxed{-1,-8} \; \right)\quad \textsf{(smaller $x$-value)}$

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Step-by-step explanation:

Given system of equations:

$\begin{cases}y=x^2-9\\y=4x-4\end{cases}$

To solve by the method of substitution, substitute the first equation into the second equation and rearrange so that the equation equals zero:

$\begin{aligned}x^2-9&=4x-4\\x^2-4x-9&=-4\\x^2-4x-5&=0\end{aligned}$