Rectangle
(the database of solved problems)
All the problems and solutions shown below were generated using the Rectangle Calculator.
| ID |
Problem |
Count |
| 1 | Find the side $ a $ of a rectangle if side $a = 7\, \text{km}$ and area $A = 42\, \text{cm}$. | 998 |
| 2 | Find the side $ a $ of a rectangle if side $a = \frac{ 3 }{ 2 }\, \text{dm}$ and perimeter $P = \frac{ 11 }{ 2 }\, \text{cm}$. | 995 |
| 3 | Find the side $ a $ of a rectangle if side $a = 6\, \text{m}$ and side $b = \frac{ 9 }{ 2 }\, \text{cm}$. | 962 |
| 4 | Find the side $ a $ of a rectangle if side $a = \frac{ 7 }{ 2 }\, \text{km}$ and side $b = \frac{ 5 }{ 2 }\, \text{cm}$. | 948 |
| 5 | Find the side $ a $ of a rectangle if ???. | 190 |
| 6 | Find the perimeter $ P $ of a rectangle if side $a = 7$ and area $A = 42$. | 152 |
| 7 | Find the perimeter $ P $ of a rectangle if side $a = \frac{ 7 }{ 2 }$ and side $b = \frac{ 5 }{ 2 }$. | 141 |
| 8 | Find the area $ A $ of a rectangle if side $a = 6$ and side $b = \frac{ 9 }{ 2 }$. | 141 |
| 9 | Find the diagonal $ d $ of a rectangle if side $a = \frac{ 3 }{ 2 }$ and perimeter $P = \frac{ 11 }{ 2 }$. | 131 |
| 10 | Find the side $ a $ of a rectangle if ???. | 91 |
| 11 | Find the side $ a $ of a rectangle if ???. | 45 |
| 12 | Find the side $ a $ of a rectangle if side $a = 12\, \text{dm}$ and side $b = 18\, \text{cm}$. | 44 |
| 13 | Find the side $ a $ of a rectangle if perimeter $P = 88\, \text{cm}$. | 43 |
| 14 | Find the side $ a $ of a rectangle if side $a = 5\, \text{mm}$ and side $b = 8\, \text{cm}$. | 41 |
| 15 | Find the side $ a $ of a rectangle if side $a = 12\, \text{cm}$ and perimeter $P = 84\, \text{cm}$. | 23 |
| 16 | Find the side $ a $ of a rectangle if side $a = 156\, \text{km}$ and side $b = 42\, \text{cm}$. | 22 |
| 17 | Find the side $ a $ of a rectangle if side $a = 9\, \text{cm}$ and diagonal $d = 292.5\, \text{cm}$. | 21 |
| 18 | Find the side $ a $ of a rectangle if diagonal $d = 9\, \text{cm}$ and area $A = 292.5\, \text{cm}$. | 17 |
| 19 | Find the side $ a $ of a rectangle if side $a = 13\, \text{mm}$, side $b = 67\, \text{cm}$, diagonal $d = 2\, \text{cm}$, area $A = 4\, \text{cm}$ and perimeter $P = 12\, \text{cm}$. | 15 |
| 20 | Find the side $ a $ of a rectangle if side $a = 21\, \text{m}$ and diagonal $d = 28\, \text{cm}$. | 14 |
| 21 | Find the side $ a $ of a rectangle if side $b = 10\, \text{cm}$ and perimeter $P = 48\, \text{cm}$. | 12 |
| 22 | Find the diagonal $ d $ of a rectangle if side $a = 93.75\, \text{in}$ and side $b = 88.1875\, \text{in}$. | 11 |
| 23 | Find the side $ a $ of a rectangle if side $a = 3.5\, \text{m}$ and side $b = 1.7\, \text{cm}$. | 11 |
| 24 | Find the side $ a $ of a rectangle if ???. | 11 |
| 25 | Find the side $ a $ of a rectangle if side $a = 1832\, \text{mm}$ and diagonal $d = 2300\, \text{cm}$. | 11 |
| 26 | Find the side $ a $ of a rectangle if perimeter $P = 88$. | 9 |
| 27 | Find the area $ A $ of a rectangle if side $a = \frac{ 759 }{ 25 }$ and side $b = \sqrt{ 8 }$. | 7 |
| 28 | Find the perimeter $ P $ of a rectangle if side $a = 156$ and side $b = 42$. | 6 |
| 29 | Find the side $ a $ of a rectangle if side $a = 150$ and side $b = 101$. | 6 |
| 30 | Find the side $ a $ of a rectangle if side $a = 7\, \text{km}$. | 6 |
| 31 | Find the area $ A $ of a rectangle if side $a = \frac{ 5 }{ 3 }\, \text{cm}$ and side $b = \frac{ 3 }{ 2 }\, \text{cm}$. | 6 |
| 32 | Find the side $ a $ of a rectangle if side $a = \frac{ 21 }{ 2 }\, \text{ft}$ and side $b = \frac{ 3 }{ 5 }\, \text{ft}$. | 5 |
| 33 | Find the side $ b $ of a rectangle if side $a = 12$ and perimeter $P = 84$. | 5 |
| 34 | Find the side $ a $ of a rectangle if side $a = 5$ and side $b = 8$. | 5 |
| 35 | Find the area $ A $ of a rectangle if side $a = 21$ and diagonal $d = 28$. | 5 |
| 36 | Find the side $ a $ of a rectangle if side $b = 2600\, \text{mm}$ and diagonal $d = 3007\, \text{mm}$. | 5 |
| 37 | Find the side $ a $ of a rectangle if perimeter $P = 38$. | 5 |
| 38 | Find the side $ a $ of a rectangle if side $a = \frac{ 48 }{ 5 }$ and area $A = \frac{ 2688 }{ 25 }$. | 5 |
| 39 | Find the side $ a $ of a rectangle if side $a = 2\, \text{mm}$ and side $b = 3\, \text{mm}$. | 5 |
| 40 | Find the area $ A $ of a rectangle if side $a = \frac{ 5 }{ 3 }\, \text{cm}$, side $b = \frac{ 3 }{ 2 }\, \text{cm}$, diagonal $d = 4\, \text{mm}$ and perimeter $P = 5\, \text{mm}$. | 5 |
| 41 | Find the side $ a $ of a rectangle if side $b = 120\, \text{yd}$ and diagonal $d = 131\, \text{yd}$. | 5 |
| 42 | Find the side $ a $ of a rectangle if side $a = 4\, \text{mm}$. | 5 |
| 43 | Find the side $ a $ of a rectangle if side $a = 120\, \text{yd}$ and diagonal $d = 131\, \text{yd}$. | 5 |
| 44 | Find the area $ A $ of a rectangle if side $a = 6$ and diagonal $d = 10$. | 5 |
| 45 | Find the area $ A $ of a rectangle if side $a = 5\, \text{cm}$, side $b = 4\, \text{mm}$ and diagonal $d = 9\, \text{cm}$. | 5 |
| 46 | Find the side $ a $ of a rectangle if side $b = \frac{ 48 }{ 5 }$ and area $A = \frac{ 2688 }{ 25 }$. | 5 |
| 47 | Find the area $ A $ of a rectangle if side $a = \frac{ 7 }{ 2 }$ and side $b = \frac{ 17 }{ 10 }$. | 4 |
| 48 | Find the diagonal $ d $ of a rectangle if side $a = 303\, \text{in}$ and side $b = 294\, \text{in}$. | 4 |
| 49 | Find the area $ A $ of a rectangle if side $a = 1\, \text{mm}$, side $b = 6\, \text{mm}$, diagonal $d = \frac{ 3 }{ 2 }\, \text{mm}$ and perimeter $P = \frac{ 1 }{ 4 }\, \text{mm}$. | 4 |
| 50 | Find the diagonal $ d $ of a rectangle if side $a = 12$ and side $b = 18$. | 4 |
