20mps. Because velocity is the speed per unit. In this case it is going 20 m per second
Answer:
If the shape of end face has n sides
Then, in total, there are n+2 faces
Using that formula
Faces in 20-sided polygon = n+2 = 20+2 = 22
Step-by-step explanation:
Pls vote as brainliest

The false (wrong) equation among them is : A

Because any number in a modulus comes out to be positive.
To calculate the speed, divide 15.75 by 2.25 and you get 7 mph.