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china236
19.03.2021 •
Mathematics
Help me please i need help
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Ответ:
220.5 ft²
Step-by-step explanation:
Hello There!
To find the area of the figure we want to split the figure into two shapes that a formula can easily be used to calculate their area
We split it into a rectangle with a length of 12 and a height of 14
and we split it into a trapezoid with base lengths that are equal to 7 and 14 and a height of 5
Now we can easily solve for the area
for the rectangle we use the formula
where l = length and w = width
Now let's solve for the trapezoid's area
To calculate the area of the trapezoid we use the formula
where a and b = the bases and h = height
all we have to do is plug in the values
so the area of the trapezoid is 52.5 ft²
Now we just add the two areas together
52.5+168=220.5
so the total area of the figure is 220.5 ft²
Ответ:
Coefficients are numbers that have a variable next to it, thus leading it to be -e of the -3x.
Hope this helps!