Equilateral Triangle
(the database of solved problems)
All the problems and solutions shown below were generated using the Equilateral Triangle Calculator.
| ID |
Problem |
Count |
| 1201 | Find the side $ a $ of an equilateral triangle if side $a = 5\, \text{mm}$ and altitude $h = 5\, \text{mm}$. | 1 |
| 1202 | Find the side $ a $ of an equilateral triangle if side $a = 250\, \text{mm}$ and altitude $h = 40\, \text{mm}$. | 1 |
| 1203 | Find the side $ a $ of an equilateral triangle if altitude $h = 40\, \text{in}$. | 1 |
| 1204 | Find the perimeter $ P $ of an equilateral triangle if side $a = 250\, \text{in}$ and altitude $h = 40\, \text{in}$. | 1 |
| 1205 | Find the altitude $ h $ of an equilateral triangle if altitude $h = 72.25\, \text{mm}$. | 1 |
| 1206 | Find the circumcircle radius $ R $ of an equilateral triangle if altitude $h = 72.25\, \text{mm}$. | 1 |
| 1207 | Find the altitude $ h $ of an equilateral triangle if side $a = 15\, \text{mm}$. | 1 |
| 1208 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 23.9\, \text{cm}$. | 1 |
| 1209 | Find the area $ A $ of an equilateral triangle if side $a = 14\, \text{in}$ and altitude $h = 12\, \text{in}$. | 1 |
| 1210 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 15\, \text{mm}$. | 1 |
| 1211 | Find the area $ A $ of an equilateral triangle if side $a = 9\, \text{mm}$ and altitude $h = 9.4\, \text{in}$. | 1 |
| 1212 | Find the area $ A $ of an equilateral triangle if side $a = 9\, \text{in}$. | 1 |
| 1213 | Find the altitude $ h $ of an equilateral triangle if side $a = 60\, \text{in}$. | 1 |
| 1214 | Find the side $ a $ of an equilateral triangle if area $A = 149\, \text{cm}^2$. | 1 |
| 1215 | Find the side $ a $ of an equilateral triangle if altitude $h = 562\, \text{mm}$, perimeter $P = 76\, \text{mm}$, area $A = 288\, \text{mm}^2$, circumcircle radius $R = 838\, \text{mm}$ and incircle radius $r = 390\, \text{mm}$. | 1 |
| 1216 | Find the area $ A $ of an equilateral triangle if side $a = 30\, \text{ft}$. | 1 |
| 1217 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 2.75\, \text{in}$. | 1 |
| 1218 | Find the side $ a $ of an equilateral triangle if side $a = 2.75\, \text{in}$. | 1 |
| 1219 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 4\, \text{mm}$. | 1 |
| 1220 | Find the side $ a $ of an equilateral triangle if side $a = 60\, \text{in}$ and perimeter $P = 180\, \text{in}$. | 1 |
| 1221 | Find the altitude $ h $ of an equilateral triangle if side $a = 60\, \text{in}$. | 1 |
| 1222 | Find the altitude $ h $ of an equilateral triangle if altitude $h = 51.96\, \text{in}$. | 1 |
| 1223 | Find the side $ a $ of an equilateral triangle if altitude $h = 51.96\, \text{in}$. | 1 |
| 1224 | Find the area $ A $ of an equilateral triangle if perimeter $P = 180\, \text{in}$. | 1 |
| 1225 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 600\, \text{in}$. | 1 |
| 1226 | Find the area $ A $ of an equilateral triangle if side $a = 10\, \text{mm}$ and altitude $h = 10\, \text{mm}$. | 1 |
| 1227 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{cm}$. | 1 |
| 1228 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{in}$. | 1 |
| 1229 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{dm}$. | 1 |
| 1230 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 5\, \text{cm}$. | 1 |
| 1231 | Find the side $ a $ of an equilateral triangle if perimeter $P = 10\, \text{cm}$. | 1 |
| 1232 | Find the side $ a $ of an equilateral triangle if altitude $h = 6\, \text{cm}$. | 1 |
| 1233 | Find the side $ a $ of an equilateral triangle if side $a = 49\, \text{in}$, altitude $h = 42.44\, \text{in}$, perimeter $P = 147\, \text{mm}$, area $A = 1039.66\, \text{mm}^2$, circumcircle radius $R = 28.29\, \text{mm}$ and incircle radius $r = 14.15\, \text{mm}$. | 1 |
| 1234 | Find the side $ a $ of an equilateral triangle if side $a = 3\, \text{mm}$, perimeter $P = 11\, \text{mm}$ and circumcircle radius $R = 1.5\, \text{mm}$. | 1 |
| 1235 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 133\, \text{mm}$. | 1 |
| 1236 | Find the side $ a $ of an equilateral triangle if side $a = 1600\, \text{mm}$. | 1 |
| 1237 | Find the altitude $ h $ of an equilateral triangle if side $a = 22\, \text{mm}$. | 1 |
| 1238 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{mm}$, altitude $h = 7\, \text{cm}$, area $A = 7\, \text{cm}$ and circumcircle radius $R = 4\, \text{cm}$. | 1 |
| 1239 | Find the altitude $ h $ of an equilateral triangle if circumcircle radius $R = 4\, \text{mm}$. | 1 |
| 1240 | Find the side $ a $ of an equilateral triangle if side $a = 4.15\, \text{m}$ and altitude $h = 12.4\, \text{m}$. | 1 |
| 1241 | Find the side $ a $ of an equilateral triangle if altitude $h = \frac{ 3 }{ 5 }\, \text{mm}$. | 1 |
| 1242 | Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 9\, \text{mm}$. | 1 |
| 1243 | Find the side $ a $ of an equilateral triangle if side $a = 4\, \text{in}$. | 1 |
| 1244 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 4\, \text{in}$. | 1 |
| 1245 | Find the perimeter $ P $ of an equilateral triangle if side $a = 323\, \text{cm}$. | 1 |
| 1246 | Find the perimeter $ P $ of an equilateral triangle if circumcircle radius $R = 323\, \text{cm}$. | 1 |
| 1247 | Find the side $ a $ of an equilateral triangle if side $a = 12\, \text{m}$. | 1 |
| 1248 | Find the area $ A $ of an equilateral triangle if side $a = 12\, \text{m}$. | 1 |
| 1249 | Find the side $ a $ of an equilateral triangle if side $a = 99\, \text{mm}$. | 1 |
| 1250 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 2.5\, \text{in}$. | 1 |
