If ralph is 6 and his sister is half his age, how old will ralphs' sister be when he's 100?

Which triangles area would be calculated using the trigonometric area formula

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

The cone in the diagram has the same height and base area as the prism. what is the ratio of the volume of the cone to the volume of the prism? h hl base area-b base area =b volume of cone_1 volume of prism 2 volume of cone 1 volume of prism 3 volume of cone 2 volume of prism 3 oc. od. volume of cone volume of prism e. volume of cone volume of prism 3 2