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masha68 [24]
3 years ago
5

What did I do wrong when finding out the sector area? I know the answer I got is wrong so can someone please help me

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0
I believe your mistake is that you are trying to use the sector area formula ti find arc length when there is already a formula for it.
The formula for it is
2r\pi( \frac{degree}{360} )
So first substitute the values in and then simplify!
2(10.5)\pi( \frac{118}{360} )
Now simplify!
21 × 118 is 2478 so it's
\frac{2478}{360} \pi
When divided ou and multiplied, this is 21.62cm!

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<u>The equations that represent correctly the problem are A. 108 - 2x = x and D. x + 2x = 108</u>

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<u>The correct answer to this question could be alternative D. x + 2x = 108, but if we take a closer look, we'll find that there are other valid options.</u>

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B. 2x - x = 108 (This is incorrect because the sales of Thursday plus the sales of Friday equal to 108, not minus)

C. x + 108 = 2x

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<u>Now, let's find the solution</u>

x + 2x = 108

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2x = 72 (Oranges sold on Friday)

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