ProblemA=s2, s=9A = s^2,\ s = 9A=s2, s=9Step-by-step solutionवर्ग का क्षेत्रफल: A=s2A = s^2A=s2।s=9s = 9s=9 प्रतिस्थापित करें: A=81A = 81A=81।AnswerA=81A = 81A=81Want to solve a different problem? Open the area solver →Related worked examples/solve/geometry/area-rectangle-5-by-8