Find the surface area of the cone. Use 3.14 for pi. The diameter is 8in and the height is 7in please help asap!! And thank you for your time. Ms.Sue?
4 answers
http://www.mathopenref.com/conearea.html
You will need the slant height s , the hypotenuse
s^2 = 4^2 + 6^2 = √52
surface area = πrs + (πr^2) , using the formula on Ms Sue's page
= 4√52π + 16π
You didn't state if the circular base is to be included, so ....
your choice.
s^2 = 4^2 + 6^2 = √52
surface area = πrs + (πr^2) , using the formula on Ms Sue's page
= 4√52π + 16π
You didn't state if the circular base is to be included, so ....
your choice.
649.98 square feet
468.23 answer
2 answers