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 one year ago
Janine made a cylindrical vase in which the sum of the lateral area and area of one base was about 3000 square centimeters. The vase had a height of 50 centimeters. Find the radius of the vase. Explain the method you would use to find the radius.
 one year ago
Janine made a cylindrical vase in which the sum of the lateral area and area of one base was about 3000 square centimeters. The vase had a height of 50 centimeters. Find the radius of the vase. Explain the method you would use to find the radius.

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kropot72
 one year ago
Best ResponseYou've already chosen the best response.0lateral area of cylinder = circumference * height\[A _{l}=2\times \pi \times r \times h\ ...........(1)\] area of base is given by\[A _{b}=\pi \times r ^{2}\ ...........(2)\] \[A _{l}+A _{b}=3000=(2\times \pi \times r \times 50)+(\pi \times r ^{2})\ ........(3)\] You can form a quadratic equation from (3) and one of the solutions is the radius.

dietrich_harmon
 one year ago
Best ResponseYou've already chosen the best response.0is this the answer because i don't understand at all..lol

kropot72
 one year ago
Best ResponseYou've already chosen the best response.0The quadratic equation is as follows: \[\pi r ^{2}+100\pi r3000=0\] You need to solve this to find r the radius of the vase.

dietrich_harmon
 one year ago
Best ResponseYou've already chosen the best response.0is my answer right 8.78 cm

kropot72
 one year ago
Best ResponseYou've already chosen the best response.0How did you get that answer?
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