A triangle has sides A, B, and C. Sides A and B are of lengths #2# and #8#, respectively, and the angle between A and B is #(pi)/2 #. What is the length of side C?
1 Answer
Feb 11, 2016
C ≈ 8.25
Explanation:
since the angle between A and B is
#pi/2 # this makes it a right triangle , with C , the hypotenuse.
to find C then , use Pythagoras' Theorem
# C^2 = 2^2 + 8^2 = 4 + 64 = 68#
# rArr C = sqrt68 ≈ 8.25#
