The volume of the cone shown in the figure below is the volume of the cylinder. In terms of h, what is the volume of the cone?
8
h
th
32 h
πή

How do you solve a question like this?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie