Find the missing length. Round to the nearest tenth if necessary. side=8 and 21
A. 441
B. 22.5
C. 64
D. 19.4
4 answers
PLZ help me i have no idea how to do this
Apparently you have a right triangle. Use the Pythagorean Theorem:
a ^2 + b^2 = c^2
a ^2 + b^2 = c^2
the problem is i'm trying to find the length for B i have a and c already
Just plug the numbers in to the formula.