The side lengths of triangle A are equal. The side lengths of triangle B are also equal. Triangle A has a perimeter of 9 meters. Triangle B has a perimeter of 27 meters. Select the correct values to make each statement true.
a. The length of each side in triangle A is ....... meters.
b. The length of each side in triangle B is ....... meters.
c. The area of triangle A is about 3.9 square meters. The area of triangle B is about ...... square meters.
John and his dad are playing catch on the football field. John is standing on the 10-yard line. His dad is standing on the 25-yard line. How far is John from his dad? If his dad moves to the 20-yard line, what is the distance between them now?