The perimeter of a rectangle is $50$ cm, and its area is $126 \mathrm {~cm} ^ { 2 }$ . Find its dimensions.
A) $7 \mathrm {~cm} \times 18 \mathrm {~cm}$
B) $8 \mathrm {~cm} \times 20 \mathrm {~cm}$
C) $8 \mathrm {~cm} \times 19 \mathrm {~cm}$
D) $6 \mathrm {~cm} \times 19 \mathrm {~cm}$
E) $9 \mathrm {~cm} \times 20 \mathrm {~cm}$

Question

Quizplus · Accepted Answer

The dimensions that satisfy both the perimeter and area conditions are $7 \mathrm {~cm} \times 18 \mathrm {~cm}$. The perimeter is $2(7+18) = 50$ cm, and the area is $7 \times 18 = 126 \mathrm {~cm}^2$.

The Perimeter of a Rectangle Is 505050 Cm, and Its Area Is

The Perimeter of a Rectangle Is $50$ Cm, and Its Area Is