Answer:
CD and DE are perpendicular because their slopes are -1/3 and 3
Step-by-step explanation:
Perpendicular lines will always have the opposite reciprocal.
A square with a perimeter of 48 inches would have 12 in sides, while a triangle of the same perimeter would have 16 in sides. The ratio would be 16/12 which simplified to 4/3.
600km??? Because it’s travelling 600km and hour so it’s average is 600km and hour
Use the app Photomath it literally helps with everything and it explains
The degree measure is about 59° and the length of the ladder is 10√34 in or about 59.3in
