What is the length of the hypotenuse of a right triangle if the two other sides are of lengths 8 and 3? Trigonometry Right Triangles The Pythagorean Theorem 1 Answer Bio Dec 17, 2015 #sqrt(8^2+3^2)=sqrt(64+9)# #=sqrt(73)# Explanation: #a^2+b^2=c^2# #a=3# #b=8# #c=sqrt(a^2+b^2)# #=sqrt(73)# Answer link Related questions What is the Pythagorean Theorem? How did the pythagorean theorem come about? What does the pythagorean theorem mean? What is the diagonal length of the suitcase to the nearest tenth of a foot if a suitcase... How do you know what to plug in for a, b, c in the pythagorean theorem? What is the length of b in a right triangle if #a=2# and #c=24#? What is the length of the ladder if a ladder of length L is carried horizontally around a corner... How do you find the missing side of a triangle if one long side is 12 and the base is 5? How do you use pythagorean theorem to solve the right triangle if the legs have lengths 4 and 9? How do you find the third side of a right triangle if the base is x = 20m, and height is y = 20m? See all questions in The Pythagorean Theorem Impact of this question 1542 views around the world You can reuse this answer Creative Commons License