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Trava [24]
2 years ago
5

Priya measured the length of lizard to be 11 cm. The actual length is 12 cm. Find the % error.

Mathematics
1 answer:
Aleksandr [31]2 years ago
8 0

Answer:

8.33%

Step-by-step explanation:

Formula for percent error:

|\frac{observed value - expected value}{expected value} | * 100%

Using this formula, we get:

|\frac{11-12}{12} |* 100 = \frac{100}{12} = 8.33

If you found this answer helpful please consider leaving 5 stars, giving it a like, or if you asked this question, mark this answer as Brainliest. Thanks!

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Explanation:

The question states:

1) sin(Θ) = 1/4

2) 0 < Θ < π / 2

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This is how you solve it.

1) Use the fundamental identity (in this part I use α instead of Θ, just for facility of wirting the symbols, but they mean the same for the case).

(cos \alpha )^2 + (sin \alpha )^2 =1

2) From which you can find:

(cos \alpha )^2 = 1 - (sin \alpha )^2

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=> cos \alpha =+/- \sqrt{15/16} = +/- (\sqrt{15} )/4

4) Given that the angle is in the first quadrant, you know that cosine is positive and the final answer is:

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And that is the answer.
6 0
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Step-by-step explanation:

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9. In the diagram below, Angle A is 50 degrees. What is angle B?
maw [93]

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Step-by-step explanation:

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