THE CIRCUMFERENCE OF THE CIRCLE IS . WE CAN USE THIS INFORMATION T...

26. The circumference of the circle is

.

We can use this information to find the area of the circular base.

Because the probability of the stone landing outside the triangle

is 3/4 , the triangle must comprise 1/4 of the area of the circular

base.

The height of an equilateral triangle splits the triangle into two 30-