Perimeter is the distance around the rectangle and the formula is 2 x length + 2 x height.
Perimeter = 2 x45 + 2x20
Perimeter = 90 + 40
Perimeter = 130 yards
Answer:
It is called this
Step-by-step explanation:
Since the three points are all on the same line, they are called collinear points.
56.7 because it is on the hundredths place.
The answer would be b
hope that helps
Let x = hours to meet
train one has a 2 hour head start or 210 km head start
210 + 105x = 135x
30x = 210
x = 7 hours to meet