The perimeter of a rectangular swimming pool is 86 m and its area is 450 square meters. If the width is represented as w, how do you represent its length?
+118696 The perimeter of a rectangular swimming pool is 86 m and its area is 450 square meters. If the width is represented as w, how do you represent its length?
| P=2(L+w) 86=2(L+w) 43=L+w L=43-w | A=L*w 450=L*w L=450/w |
43−w=450w43w−w2=450w2−43w+450=0w=43±√1849−18002w=43±72w=25or18
Length is 25m width is 18m
+118696 The perimeter of a rectangular swimming pool is 86 m and its area is 450 square meters. If the width is represented as w, how do you represent its length?
| P=2(L+w) 86=2(L+w) 43=L+w L=43-w | A=L*w 450=L*w L=450/w |
43−w=450w43w−w2=450w2−43w+450=0w=43±√1849−18002w=43±72w=25or18
Length is 25m width is 18m
