Using special right triangle 30-60-90 how do you find the hypotenuse if the long leg is 4 root 6 and the short is 2root 6?

Select the lengths in centimeters that would form a right triangle

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.