Part of a school’s stage is shaped like a sector of a circle, as shown below. The students do not yet know the exact dimensions
of this part of the stage, but they want to identify as many relationships as possible so that they will be able to decorate this part of the stage when the dimensions are available.
1 answer:
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To find the difference, we are going to destroy the parenthesis first, and then, we are going to perform the operations. Remember that to destroy a parenthesis preceded by a negative sign (-), you should change the signs of the factors inside the parenthesis:
Now we can factor both numerator and denominator and simplify:
We can conclude that the difference in simplest form is:
Now we can factor both numerator and denominator and simplify:
We can conclude that the difference in simplest form is: