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MrRissso [65]
3 years ago
14

How to solve percent of change

Mathematics
1 answer:
pshichka [43]3 years ago
7 0
To calculate the percentage increase: First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. If your answer is a negative number then this is a percentage decrease.
that's it
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Calculate the side lengths a and b to two decimal places.
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Answer:

a=10.92 units

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Step-by-step explanation:

We are given that c=6 units

\angle A=43^{\circ}

\angle B=115^{\circ}

We have to find the side length a and b.

We know that sum of angles of a triangle =180 degrees

\angle A+\angle B+\angle C=180

Substitute the values then we get

43+115+\angle C=180

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b=\frac{6}{sin 22^{\circ}}\times sin 115^{\circ}=14.51

b=14.51 units

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Step-by-step explanation:

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