Answer:
have you tried mathsolver. microsoft.com?
Step-by-step explanation:
search it on googIe.
I dont under your language and you speak english
I'm not completely sure about this. But i think that you can use the Pythagorean Theroem to help with this problem. Which is:
You would need to go in the order of pemdas
Answer:
DE = 5
BC = 10
Step-by-step explanation:
ΔAED is a right triangle with legs of 4 and 6/2 = 3
Use the Pythagorean theorem to find DE

16 + 6 = 25 = 
DE = 5
The midsegment of a triangle is 1/2 the length of the corresponding side.
Therefore, BC = 2 DE = 2(5) = 10 = BC