So what you are looking for is the hypotenuse of the triangle DCF.
We know DC is 3cm, so we need CF.
BC and CF and CF create a right triangle.
Using Pythagorean Theorem, CF is about 10.2
Now using Pythagorean Theorem again, 3^2 +10.2^2=113
The sqaureroot of that is 10.6. So 10.6 is your answer
Answer:
-25,-1.3, -0.45, 7.3, I-50I
Step-by-step explanation:
Answer:
6√5
Step-by-step explanation:
Answer:
144 i multiplied 12x12=144
Step-by-step explanation: