OD 2021-22 G8 Math Mc u Assume that the shape atop figure A is exactly half of a sphere. Give the volume of Figure A. Give your answer in terms of Pl. Note: The figure is not drawn to scale.

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?