The radius of the base of the cone is 5 cm. The total surface area of the cone is 90 pie cm^2
Work out the volume of the cone.
Give your answer in pie

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.