SOLUTION: In triangle ABC, with right angle B, side AB is 18 units long and side AC is 23 units long. What is the length of side BC, to the nearest unit? 5 units 14 units 29 units 41 u

Algebra ->  Test -> SOLUTION: In triangle ABC, with right angle B, side AB is 18 units long and side AC is 23 units long. What is the length of side BC, to the nearest unit? 5 units 14 units 29 units 41 u      Log On


   

Question 1194526: In triangle ABC, with right angle B, side AB is 18 units long and side AC is 23 units long. What is the length of side BC, to the nearest unit?
5 units
14 units
29 units
41 units
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
In triangle ABC, with right angle B, side AB is 18 units long and side AC is 23 units long. What is the length of side BC, to the nearest unit?
triangle ABC is right triangle, so use Pythagorean theorem
given:
AB+=18 units
+AC=+23 units
%28AC%29%5E2=%28AB%29%5E2%2B%28BC%29%5E2
%28BC%29%5E2=%28AC%29%5E2-%28AB%29%5E2........substitute given
%28BC%29%5E2=23%5E2-18%5E2
%28BC%29%5E2=529-324
%28BC%29%5E2=205
BC=sqrt%28205%29
BC=14.317821063276353
side BC to the nearest unit is BC=14