Answer:
because the length is 4 feet more than the width
=> the length is x + 4 (feet)
because the base has an area of 21 square feet
=> x(x + 4) = 21
<=> x² + 4x = 21
Answer:
5/7 is the only one
Step-by-step explanation:
The correct answer maybe
Actually I don't understand ur question
The formula of a perimeter is:2(L+l) or
2*L+2*l
