Gorillas have large feet that can measure up to 12 inches (about 30 centimeters) in length. Their feet are broad and designed to support their heavy weight, with long toes that help them grip surfaces while climbing or walking. The size and structure of their feet are adapted for their primarily terrestrial lifestyle, allowing for stability and balance.
small
Yes, some are.
big
5 to 10 feet
there arms are longer
5 feet .
According to livescience.com, male gorillas commonly stand over 6 feet (1.83 meters), and weigh over 400 pounds (181.5 kg). Female gorillas are somewhat shorter, and weigh about half as much. There also exist claims of gorillas approaching 7 feet (2.13 meters) and 600 pounds (272 kg), though these are unverified.
Gorillas aren't the tallest apes, humans are.
It helps them move quicker
29 inches
Orangatan
probably not, due to the fact it is found where gorillas are not found usually, plus its feet are supposedly bigger than a gorillas.