Question

You’re given two side lengths of 3 centimeters and 5 centimeters. Which measurement can you use for the length of the third side to construct a valid triangle?
A. 8 centimeters
B. 6 centimeters
C. 4 centimeters
D. 10 centimeters
E. 2 centimeters


Select all answers

Correct answers plezz

Answer 1

To find the third side of a triangle (there are two answers you could get), you need to use the Pythagorean formula: a^2+b^2=c^2.  First answer, 3^2+5^2=c^2.  Solve for c.  c=5.83.  The second answer, 3^2+b^2=5^2.  Solve for b.  b=4.