Find the value of x round to the nearest tenth 11 28 x degrees

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

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

Pls brainliest will be awarded if answer is correct