The Jones family is landscaping their yard. Their yard is 160 square feet and one side is 10 feet long. What is the length of th
1 answer:
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Answer:
6 inches
Step-by-step explanation:
Formula for surface area of a cylinder:
Plug in values and solve for the radius:
Divide both sides by
Subtract 90 from both sides
Use the quadratic equation to find the roots
±
(sorry for formatting, Brainly doesn't
allow equations with ± in them)
and
and
and
and
and
and
We can't have a negative radius, so that leaves us with r=6 in.