Answer: 80 votes
Step-by-step explanation: Solve the formula for l. A) l ... 01/18/2017. Mathematics · High School. answered. The surface area of a cone is given by the formula S = πl + πr2. ... all of the 2's are to the power of R the 5/3.14's are fractions. 2 ... Incognit-oh-no… ... and 219 more users found this answer helpful. Thanks 140. 4.7. (80 votes).
Answer:
The options doesn't match or the question is wrong but the answer is (1,2.5)
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13
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Answer:
D ; Yes because the Pythagorean theorem works
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The measure of all three sidelengths make a right triangle