Equilateral Triangle
(the database of solved problems)
All the problems and solutions shown below were generated using the Equilateral Triangle Calculator.
| ID |
Problem |
Count |
| 1151 | Find the perimeter $ P $ of an equilateral triangle if circumcircle radius $R = 323\, \text{cm}$. | 1 |
| 1152 | Find the side $ a $ of an equilateral triangle if side $a = 12\, \text{m}$. | 1 |
| 1153 | Find the area $ A $ of an equilateral triangle if side $a = 12\, \text{m}$. | 1 |
| 1154 | Find the side $ a $ of an equilateral triangle if side $a = 99\, \text{mm}$. | 1 |
| 1155 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 2.5\, \text{in}$. | 1 |
| 1156 | Find the side $ a $ of an equilateral triangle if side $a = 7.5\, \text{mm}$. | 1 |
| 1157 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 7.5\, \text{mm}$. | 1 |
| 1158 | Find the side $ a $ of an equilateral triangle if side $a = 70\, \text{mm}$ and altitude $h = 30\, \text{cm}$. | 1 |
| 1159 | Find the side $ a $ of an equilateral triangle if side $a = 150\, \text{mm}$. | 1 |
| 1160 | Find the side $ a $ of an equilateral triangle if altitude $h = 1\, \text{in}$. | 1 |
| 1161 | Find the perimeter $ P $ of an equilateral triangle if area $A = 320\, \text{mm}^2$. | 1 |
| 1162 | Find the side $ a $ of an equilateral triangle if side $a = 1.35\, \text{mm}$. | 1 |
| 1163 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 1.35\, \text{mm}$. | 1 |
| 1164 | Find the side $ a $ of an equilateral triangle if altitude $h = 14\, \text{in}$. | 1 |
| 1165 | Find the altitude $ h $ of an equilateral triangle if side $a = 16.17\, \text{in}$. | 1 |
| 1166 | Find the side $ a $ of an equilateral triangle if side $a = 9\, \text{mm}$ and altitude $h = 4\, \text{mm}$. | 1 |
| 1167 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{m}$. | 1 |
| 1168 | Find the side $ a $ of an equilateral triangle if side $a = 12\, \text{ft}$. | 1 |
| 1169 | Find the side $ a $ of an equilateral triangle if side $a = 8 \sqrt{ 3 }\, \text{mm}$ and circumcircle radius $R = 8\, \text{mm}$. | 1 |
| 1170 | Find the side $ a $ of an equilateral triangle if area $A = 1\, \text{in}^2$. | 1 |
| 1171 | Find the side $ a $ of an equilateral triangle if altitude $h = 0.55\, \text{ft}$. | 1 |
| 1172 | Find the side $ a $ of an equilateral triangle if side $a = 5\, \text{m}$. | 1 |
| 1173 | Find the side $ a $ of an equilateral triangle if side $a = 5\, \text{m}$. | 1 |
| 1174 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 1.16\, \text{mm}$ and circumcircle radius $R = 1.188\, \text{mm}$. | 1 |
| 1175 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 1.4375\, \text{mm}$. | 1 |
| 1176 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 1.4375\, \text{in}$. | 1 |
| 1177 | Find the side $ a $ of an equilateral triangle if altitude $h = 600\, \text{mm}$. | 1 |
| 1178 | Find the altitude $ h $ of an equilateral triangle if side $a = 9\, \text{in}$. | 1 |
| 1179 | Find the side $ a $ of an equilateral triangle if side $a = 7205\, \text{mm}$ and altitude $h = 2600\, \text{mm}$. | 1 |
| 1180 | Find the altitude $ h $ of an equilateral triangle if side $a = 7205\, \text{mm}$ and altitude $h = 2600\, \text{mm}$. | 1 |
| 1181 | Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 1.5\, \text{mm}$. | 1 |
| 1182 | Find the area $ A $ of an equilateral triangle if incircle radius $r = 1.5\, \text{mm}$. | 1 |
| 1183 | Find the side $ a $ of an equilateral triangle if side $a = 1\, \text{cm}$. | 1 |
| 1184 | Find the side $ a $ of an equilateral triangle if side $a = 7.78\, \text{mm}$, altitude $h = 22\, \text{mm}$ and circumcircle radius $R = 35\, \text{mm}$. | 1 |
| 1185 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 15.56\, \text{mm}$, altitude $h = 22\, \text{mm}$ and circumcircle radius $R = 35\, \text{mm}$. | 1 |
| 1186 | Find the area $ A $ of an equilateral triangle if side $a = 15.56\, \text{mm}$, altitude $h = 22\, \text{mm}$ and incircle radius $r = 35\, \text{mm}$. | 1 |
| 1187 | Find the perimeter $ P $ of an equilateral triangle if side $a = 15.56\, \text{mm}$, altitude $h = 22\, \text{mm}$ and incircle radius $r = 35\, \text{mm}$. | 1 |
| 1188 | Find the side $ a $ of an equilateral triangle if altitude $h = 9\, \text{m}$. | 1 |
| 1189 | Find the perimeter $ P $ of an equilateral triangle if side $a = 70\, \text{mm}$. | 1 |
| 1190 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 60\, \text{mm}$, altitude $h = 60.62\, \text{mm}$, perimeter $P = 210\, \text{mm}$, area $A = 2121.76\, \text{mm}^2$, circumcircle radius $R = 40.41\, \text{mm}$ and incircle radius $r = 20.21\, \text{mm}$. | 1 |
| 1191 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 60\, \text{mm}$ and perimeter $P = 180\, \text{mm}$. | 1 |
| 1192 | Find the side $ a $ of an equilateral triangle if side $a = 10\, \text{cm}$. | 1 |
| 1193 | Find the altitude $ h $ of an equilateral triangle if side $a = 10\, \text{cm}$. | 1 |
| 1194 | Find the area $ A $ of an equilateral triangle if side $a = 10\, \text{cm}$ and altitude $h = 8.66\, \text{cm}$. | 1 |
| 1195 | Find the altitude $ h $ of an equilateral triangle if side $a = 5\, \text{cm}$. | 1 |
| 1196 | Find the area $ A $ of an equilateral triangle if side $a = 16\, \text{ft}$. | 1 |
| 1197 | Find the area $ A $ of an equilateral triangle if side $a = 16\, \text{ft}$, altitude $h = 43.3\, \text{mm}$, perimeter $P = 150\, \text{mm}$, area $A = 1082.53\, \text{mm}^2$, circumcircle radius $R = 28.87\, \text{mm}$ and incircle radius $r = 14.43\, \text{mm}$. | 1 |
| 1198 | Find the altitude $ h $ of an equilateral triangle if ???. | 1 |
| 1199 | Find the area $ A $ of an equilateral triangle if perimeter $P = 150\, \text{mm}$. | 1 |
| 1200 | Find the area $ A $ of an equilateral triangle if altitude $h = 10\, \text{mm}$. | 1 |