3 years ago

What is the area of the polygon shown below?

Mathematics

2 answers:

GalinKa [24]3 years ago

8 0

(22*10)+(0.5*10*7) = 255 cm^2

pishuonlain [190]3 years ago

3 0

22x10= 220 for the area of the rectangle because basexheight= area and then take the triangle separately which is 7x10 multiplied by a half because the equation for the area of a triangle is base x height / 1/2

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Explanation:
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Where
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$f(b) = f(8) = \frac{2*8-2}{5*8-6} = \frac{7}{17} \\ f(a) = f(0) = \frac{2*0-2}{5*0-6} = \frac{1}{3} \\ \frac{f(b) - f(a)}{b-a} = \frac{ \frac{7}{17} - \frac{1}{3}}{8} = \frac{1}{102}$

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