Equilateral Triangle
(the database of solved problems)
All the problems and solutions shown below were generated using the Equilateral Triangle Calculator.
| ID |
Problem |
Count |
| 351 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 27\, \text{m}$. | 3 |
| 352 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 2.5\, \text{in}$. | 3 |
| 353 | Find the side $ a $ of an equilateral triangle if side $a = 26\, \text{in}$ and perimeter $P = 78\, \text{in}$. | 3 |
| 354 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 1.88\, \text{in}$. | 3 |
| 355 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{in}$. | 3 |
| 356 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 19\, \text{in}$. | 3 |
| 357 | Find the side $ a $ of an equilateral triangle if side $a = 15\, \text{in}$. | 3 |
| 358 | Find the area $ A $ of an equilateral triangle if side $a = 10\, \text{cm}$. | 3 |
| 359 | Find the area $ A $ of an equilateral triangle if side $a = 50\, \text{in}$. | 3 |
| 360 | Find the side $ a $ of an equilateral triangle if altitude $h = 2 \sqrt{ 3 }\, \text{mm}$. | 3 |
| 361 | Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 6\, \text{in}$. | 3 |
| 362 | Find the area $ A $ of an equilateral triangle if incircle radius $r = 3\, \text{in}$. | 3 |
| 363 | Find the altitude $ h $ of an equilateral triangle if side $a = 12\, \text{in}$. | 3 |
| 364 | Find the side $ a $ of an equilateral triangle if side $a = 0.5655\, \text{mm}$. | 3 |
| 365 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 100\, \text{cm}$. | 3 |
| 366 | Find the side $ a $ of an equilateral triangle if altitude $h = 6\, \text{mm}$. | 3 |
| 367 | Find the area $ A $ of an equilateral triangle if side $a = 60\, \text{mm}$. | 3 |
| 368 | Find the side $ a $ of an equilateral triangle if perimeter $P = 36\, \text{mm}$. | 3 |
| 369 | Find the altitude $ h $ of an equilateral triangle if side $a = 20\, \text{mm}$. | 3 |
| 370 | Find the altitude $ h $ of an equilateral triangle if side $a = 67\, \text{in}$. | 3 |
| 371 | Find the side $ a $ of an equilateral triangle if side $a = 75\, \text{in}$. | 3 |
| 372 | Find the side $ a $ of an equilateral triangle if side $a = 39\, \text{in}$ and altitude $h = 30\, \text{in}$. | 3 |
| 373 | Find the altitude $ h $ of an equilateral triangle if side $a = 39\, \text{in}$ and altitude $h = 30\, \text{in}$. | 3 |
| 374 | Find the side $ a $ of an equilateral triangle if side $a = 60\, \text{mm}$. | 3 |
| 375 | Find the side $ a $ of an equilateral triangle if altitude $h = 5.25\, \text{cm}$. | 3 |
| 376 | Find the side $ a $ of an equilateral triangle if altitude $h = 10\, \text{mm}$. | 3 |
| 377 | Find the side $ a $ of an equilateral triangle if perimeter $P = 90\, \text{mm}$ and area $A = 60\, \text{mm}^2$. | 3 |
| 378 | Find the side $ a $ of an equilateral triangle if side $a = 5\, \text{in}$. | 3 |
| 379 | Find the side $ a $ of an equilateral triangle if side $a = 94\, \text{ft}$. | 3 |
| 380 | Find the side $ a $ of an equilateral triangle if perimeter $P = 282\, \text{ft}$. | 3 |
| 381 | Find the altitude $ h $ of an equilateral triangle if perimeter $P = 282\, \text{ft}$. | 3 |
| 382 | Find the altitude $ h $ of an equilateral triangle if side $a = 13\, \text{m}$. | 3 |
| 383 | Find the altitude $ h $ of an equilateral triangle if side $a = 12\, \text{ft}$. | 3 |
| 384 | Find the side $ a $ of an equilateral triangle if area $A = 23.25\, \text{cm}^2$. | 3 |
| 385 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 18\, \text{in}$. | 3 |
| 386 | Find the side $ a $ of an equilateral triangle if area $A = 0.051\, \text{mm}^2$. | 3 |
| 387 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 1\, \text{in}$. | 3 |
| 388 | Find the side $ a $ of an equilateral triangle if side $a = 17\, \text{mm}$, altitude $h = 12.99\, \text{mm}$, perimeter $P = 45\, \text{mm}$, area $A = 97.43\, \text{mm}^2$, circumcircle radius $R = 8.66\, \text{mm}$ and incircle radius $r = 4.33\, \text{mm}$. | 3 |
| 389 | Find the side $ a $ of an equilateral triangle if altitude $h = 3\, \text{ft}$. | 2 |
| 390 | Find the side $ a $ of an equilateral triangle if altitude $h = 48\, \text{mm}$. | 2 |
| 391 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 8\, \text{in}$. | 2 |
| 392 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 2\, \text{in}$. | 2 |
| 393 | Find the side $ a $ of an equilateral triangle if side $a = 24\, \text{in}$. | 2 |
| 394 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 24\, \text{in}$. | 2 |
| 395 | Find the side $ a $ of an equilateral triangle if side $a = 10\, \text{cm}$. | 2 |
| 396 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{mm}$, altitude $h = \frac{\sqrt{ 3 }}{ 4 }\, \text{mm}$ and area $A = \frac{\sqrt{ 3 }}{ 4 }\, \text{mm}^2$. | 2 |
| 397 | Find the side $ a $ of an equilateral triangle if side $a = 6\, \text{mm}$ and perimeter $P = 18\, \text{mm}$. | 2 |
| 398 | Find the side $ a $ of an equilateral triangle if side $a = 9\, \text{cm}$ and perimeter $P = 9\, \text{cm}$. | 2 |
| 399 | Find the side $ a $ of an equilateral triangle if side $a = 5\, \text{mm}$ and perimeter $P = 5\, \text{mm}$. | 2 |
| 400 | Find the side $ a $ of an equilateral triangle if side $a = 250\, \text{in}$ and altitude $h = 40\, \text{in}$. | 2 |
