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I need help on this part

I need help on this part-example-1
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User ChanChow
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1 Answer

5 votes

Answer:

151.4496

Explanation:

In order to find the area of the trapezoid, we are going to look at the shape a little differently!

Let's imagine the trapezoid is actually a square and 2 right triangles put together!

Let's first find the area of the square.

Area of a square = Length x Width

Area = 9.86 x 8.52

Area = 84.0072

Now let's find the area of the upside-down right triangles on both sides of that square/rectangle in the middle

Area of a triangle = 1/2 × base x height

[The base would be (22.2 - 8.52) ÷ 2 = 6.84] - let me know if you want me to explain how I got this answer

Area of a triangle = 1/2 × (6.84 x 9.86)

Area = 33.7212

*let's multiple this number by two since there are 2 triangles on both sides of the middle square*

33.7212 x 2 = 67.4424

Add this number to the area of the square to get our final answer.

67.4424 + 84.0072 = 151.4496

-------------------------------------------METHOD TWO --------------------------------------

**This is the creative way to do this problem, but the official formula for the area of a trapezoid is
(bottom + top )/(2) (height) **

(8.52 + 22.2) ÷ 2 = 15.36

15.36 x 9.86 = 151.4496

_______________________________________________________

Hope I helped! Let me know i you would like me to explain my answer more!

answered
User John Culviner
by
9.0k points

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