Use the pythagorean theorem:
EF² +DF²=DE²
EF²=18²-12²=180
EF=√180
E is the answer.
Answer:14908007
Step-by-step explanation:just add them both with a calculater
The answer is going to be <span>181.121506177483. hope that helped</span>
Answer:
24.87
Step-by-step explanation:
23.87+1=24.87
boom you have your answer