71. Find the volume of the cylinder in Fig. 17–159.
20 cm
25 cm

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*