Equilateral Triangle
(the database of solved problems)
All the problems and solutions shown below were generated using the Equilateral Triangle Calculator.
| ID |
Problem |
Count |
| 201 | Find the side $ a $ of an equilateral triangle if side $a = 18\, \text{mm}$, altitude $h = 18\, \text{mm}$, perimeter $P = 18\, \text{mm}$, area $A = 18\, \text{mm}^2$ and circumcircle radius $R = 9\, \text{mm}$. | 5 |
| 202 | Find the side $ a $ of an equilateral triangle if side $a = 9$. | 5 |
| 203 | Find the altitude $ h $ of an equilateral triangle if side $a = 14\, \text{mm}$. | 5 |
| 204 | Find the area $ A $ of an equilateral triangle if side $a = 12\, \text{mm}$. | 5 |
| 205 | Find the side $ a $ of an equilateral triangle if altitude $h = 14 \sqrt{ 3 }\, \text{mm}$ and perimeter $P = 84\, \text{mm}$. | 5 |
| 206 | Find the side $ a $ of an equilateral triangle if altitude $h = 14 \sqrt{ 3 }\, \text{mm}$. | 5 |
| 207 | Find the side $ a $ of an equilateral triangle if side $a = 36$. | 5 |
| 208 | Find the area $ A $ of an equilateral triangle if side $a = 4\, \text{mm}$. | 5 |
| 209 | Find the area $ A $ of an equilateral triangle if side $a = \sqrt{ 5 }\, \text{mm}$. | 5 |
| 210 | Find the area $ A $ of an equilateral triangle if side $a = 3\, \text{mm}$. | 5 |
| 211 | Find the area $ A $ of an equilateral triangle if altitude $h = 8 \sqrt{ 3 }\, \text{mm}$. | 5 |
| 212 | Find the perimeter $ P $ of an equilateral triangle if altitude $h = 8 \sqrt{ 3 }\, \text{mm}$. | 5 |
| 213 | Find the perimeter $ P $ of an equilateral triangle if altitude $h = 45\, \text{mm}$. | 5 |
| 214 | Find the side $ a $ of an equilateral triangle if side $a = 90$. | 5 |
| 215 | Find the area $ A $ of an equilateral triangle if side $a = 11\, \text{mm}$. | 5 |
| 216 | Find the side $ a $ of an equilateral triangle if side $a = 12\, \text{mm}$. | 5 |
| 217 | Find the side $ a $ of an equilateral triangle if altitude $h = 3\, \text{mm}$. | 5 |
| 218 | Find the area $ A $ of an equilateral triangle if side $a = 30\, \text{mm}$. | 5 |
| 219 | Find the side $ a $ of an equilateral triangle if side $a = 70\, \text{mm}$. | 5 |
| 220 | Find the area $ A $ of an equilateral triangle if altitude $h = 5.5\, \text{in}$. | 5 |
| 221 | Find the area $ A $ of an equilateral triangle if side $a = 6.875\, \text{in}$. | 5 |
| 222 | Find the area $ A $ of an equilateral triangle if side $a = 14\, \text{mm}$, altitude $h = 3\, \text{mm}$, perimeter $P = 9\, \text{mm}$, area $A = 5\, \text{mm}^2$ and circumcircle radius $R = 8\, \text{mm}$. | 5 |
| 223 | Find the area $ A $ of an equilateral triangle if side $a = 11\, \text{mm}$ and altitude $h = 9.526\, \text{mm}$. | 4 |
| 224 | Find the side $ a $ of an equilateral triangle if side $a = 6\, \text{cm}$. | 4 |
| 225 | Find the altitude $ h $ of an equilateral triangle if perimeter $P = 6 \sqrt{ 2 }\, \text{cm}$. | 4 |
| 226 | Find the side $ a $ of an equilateral triangle if side $a = 20\, \text{mm}$, perimeter $P = 30\, \text{mm}$ and circumcircle radius $R = 18\, \text{mm}$. | 4 |
| 227 | Find the area $ A $ of an equilateral triangle if altitude $h = 4\, \text{mm}$. | 4 |
| 228 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 6\, \text{mm}$. | 4 |
| 229 | Find the side $ a $ of an equilateral triangle if altitude $h = 4\, \text{mm}$. | 4 |
| 230 | Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 8\, \text{mm}$. | 4 |
| 231 | Find the side $ a $ of an equilateral triangle if altitude $h = 1\, \text{mm}$. | 4 |
| 232 | Find the side $ a $ of an equilateral triangle if side $a = 35.6\, \text{mm}$. | 4 |
| 233 | Find the altitude $ h $ of an equilateral triangle if side $a = 2\, \text{in}$. | 4 |
| 234 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 4\, \text{mm}$. | 4 |
| 235 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = \frac{ 3081 }{ 50 }$. | 4 |
| 236 | Find the altitude $ h $ of an equilateral triangle if side $a = 8$. | 4 |
| 237 | Find the side $ a $ of an equilateral triangle if area $A = 49 \sqrt{ 3 }$. | 4 |
| 238 | Find the altitude $ h $ of an equilateral triangle if side $a = 26$. | 4 |
| 239 | Find the side $ a $ of an equilateral triangle if altitude $h = 2\, \text{mm}$. | 4 |
| 240 | Find the altitude $ h $ of an equilateral triangle if side $a = 8\, \text{mm}$. | 4 |
| 241 | Find the area $ A $ of an equilateral triangle if altitude $h = 3$. | 4 |
| 242 | Find the side $ a $ of an equilateral triangle if side $a = 100$ and altitude $h = 141$. | 4 |
| 243 | Find the side $ a $ of an equilateral triangle if side $a = 4\, \text{cm}$. | 4 |
| 244 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = \frac{ 19 }{ 2 }$. | 4 |
| 245 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 15$. | 4 |
| 246 | Find the area $ A $ of an equilateral triangle if side $a = 18\, \text{mm}$. | 4 |
| 247 | Find the area $ A $ of an equilateral triangle if side $a = 3$. | 4 |
| 248 | Find the circumcircle radius $ R $ of an equilateral triangle if altitude $h = 220\, \text{mm}$. | 4 |
| 249 | Find the area $ A $ of an equilateral triangle if side $a = \sqrt{ 9 }\, \text{mm}$. | 4 |
| 250 | Find the side $ a $ of an equilateral triangle if side $a = \sqrt{ 9 }\, \text{mm}$. | 4 |
