Answer:
x(x + 4) = 21
Step-by-step explanation:
Area = length * width.
21 = x + 4 * x
x(x + 4) = 21
The correct answer would be A. Hope this helps
2.5 Is the answer. It is rounded to the nearest tenth.
Answer: The area is 180 square millimeters.
The length is 15 mm and the width is 12 mm. The length if the perimeter-- if you were going to ask that is
(2)(15) + 2(12)
54mm.
Step-by-step explanation:
