The radius of the semicircle in the following composite figure is 8.5 millimeters. what is the total area of the composite figure rounded to the nearest hundredth?
257.43 mm2
185.43 mm2
370.87 mm2
298.87 mm2

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

answer: i don't understand it

step-by-step explanation: sorry