Question

A rectangle on a coordinate plane has vertices at (7, 5), (–7, 5), (–7, –2), and (7, –2). What is the perimeter of the rectangle?
A. 21 units
B. 34 units
C. 42 units
D. 98 units

Answer 1

The answer is A.

The gap between (7,5) and (-7, 5) is 14
the gap between (7,5) and (7,-2) is 7

14+7 is 21