The three vertices of the triangle abc are chosen randomly to be lie on the circumference of the unit circle. what is the probability that the center of the circle lies inside the triangle abc?

On a architect's drawing of a house, 1 inche representa 1.5

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists