Giúp em nhanh ạ (x+2)(x−2)−(x−3)(x+5)=0
1 answer:
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Answer:
Part A) The diameter of the rug is
Part B) The radius of the rug is
Part C) The area of the rug is
Step-by-step explanation:
Part A) Find the diameter of the rug
we know that
The circumference of a circle (circular rug) is equal to
where
D is the diameter
we have
substitute the values and solve for D
Part B) Find the radius of the rug
we know that
The radius of a circle (circular rug) is half the diameter
we have
substitute
part C) What is the area the rug is covering?
The area of the circle (circular rug) is equal to
we have
substitute