If the fish tank is 80% filled with water, what is the volume of the water in the tank

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.