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viva [34]
3 years ago
12

How do you find arc length without knowing the radius?

Mathematics
1 answer:
diamong [38]3 years ago
6 0
You can use the degree measure of the central angle theta (the number of degrees you have gone around the circle) and the amount of radians you have gone around the circle
the equation for arc length using degrees and radians is: s(arc length) = r(xº)
r is not the radius length it is the length you have gone around the circle measured in terms of the radius
you need to know the central angle (degrees) and radians to figure out arc length without knowing the radius length

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I will mark brainliest if correct please answer quickly
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Step-by-step explanation:

Step 1:

To calculate the value of the composite shape we first divide it into shapes that we know.

In this case, the composite shape consists of a rectangle and a parallelogram attached to it.

If we can calculate the individual areas of the two shapes we should be able to calculate the area of the composite shape.

Step 2:

The rectangle has a length of 22 cm and a width of 8.5 cm. The area of a rectangle is the product of its length and its width.

The area of the rectangle= (length)(width)= (22)(8.5)=187.

The area of the rectangle is 187 square cm.

Step 3:

The area of a parallelogram is the product of its base length and its height. The given parallelogram has a base length of 22 cm and a height of 7.5 cm.

The area of the parallelogram = (baselength)(height) = (22)(7.5) = 165.

The area of the parallelogram is 165 square cm.

Step 4:

Now we calculate the area of the entire figure by adding the areas of the rectangle and the parallelogram.

Area of the figure = 187 + 165 = 352.

So the area of the figure is 352 square cm.

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Step-by-step explanation:

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