Equilateral Triangle
(the database of solved problems)
All the problems and solutions shown below were generated using the Equilateral Triangle Calculator.
| ID |
Problem |
Count |
| 1101 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 950\, \text{mm}$. | 1 |
| 1102 | Find the side $ a $ of an equilateral triangle if area $A = 302\, \text{cm}^2$. | 1 |
| 1103 | Find the perimeter $ P $ of an equilateral triangle if side $a = 9\, \text{cm}$, altitude $h = 9\, \text{cm}$, perimeter $P = 9\, \text{cm}$, area $A = 9\, \text{cm}^2$, circumcircle radius $R = 9\, \text{cm}$ and incircle radius $r = 9\, \text{cm}$. | 1 |
| 1104 | Find the side $ a $ of an equilateral triangle if side $a = 5\, \text{mm}$ and altitude $h = 5\, \text{mm}$. | 1 |
| 1105 | Find the side $ a $ of an equilateral triangle if side $a = 250\, \text{mm}$ and altitude $h = 40\, \text{mm}$. | 1 |
| 1106 | Find the side $ a $ of an equilateral triangle if altitude $h = 40\, \text{in}$. | 1 |
| 1107 | Find the perimeter $ P $ of an equilateral triangle if side $a = 250\, \text{in}$ and altitude $h = 40\, \text{in}$. | 1 |
| 1108 | Find the altitude $ h $ of an equilateral triangle if altitude $h = 72.25\, \text{mm}$. | 1 |
| 1109 | Find the circumcircle radius $ R $ of an equilateral triangle if altitude $h = 72.25\, \text{mm}$. | 1 |
| 1110 | Find the altitude $ h $ of an equilateral triangle if side $a = 15\, \text{mm}$. | 1 |
| 1111 | Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 23.9\, \text{cm}$. | 1 |
| 1112 | Find the area $ A $ of an equilateral triangle if side $a = 14\, \text{in}$ and altitude $h = 12\, \text{in}$. | 1 |
| 1113 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 15\, \text{mm}$. | 1 |
| 1114 | Find the area $ A $ of an equilateral triangle if side $a = 9\, \text{mm}$ and altitude $h = 9.4\, \text{in}$. | 1 |
| 1115 | Find the area $ A $ of an equilateral triangle if side $a = 9\, \text{in}$. | 1 |
| 1116 | Find the altitude $ h $ of an equilateral triangle if side $a = 60\, \text{in}$. | 1 |
| 1117 | Find the altitude $ h $ of an equilateral triangle if side $a = 72\, \text{in}$. | 1 |
| 1118 | Find the side $ a $ of an equilateral triangle if area $A = 149\, \text{cm}^2$. | 1 |
| 1119 | 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 |
| 1120 | Find the area $ A $ of an equilateral triangle if side $a = 30\, \text{ft}$. | 1 |
| 1121 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 2.75\, \text{in}$. | 1 |
| 1122 | Find the side $ a $ of an equilateral triangle if side $a = 2.75\, \text{in}$. | 1 |
| 1123 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 4\, \text{mm}$. | 1 |
| 1124 | Find the side $ a $ of an equilateral triangle if side $a = 60\, \text{in}$ and perimeter $P = 180\, \text{in}$. | 1 |
| 1125 | Find the altitude $ h $ of an equilateral triangle if side $a = 60\, \text{in}$. | 1 |
| 1126 | Find the altitude $ h $ of an equilateral triangle if altitude $h = 51.96\, \text{in}$. | 1 |
| 1127 | Find the side $ a $ of an equilateral triangle if altitude $h = 51.96\, \text{in}$. | 1 |
| 1128 | Find the area $ A $ of an equilateral triangle if perimeter $P = 180\, \text{in}$. | 1 |
| 1129 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 600\, \text{in}$. | 1 |
| 1130 | Find the area $ A $ of an equilateral triangle if side $a = 10\, \text{mm}$ and altitude $h = 10\, \text{mm}$. | 1 |
| 1131 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{cm}$. | 1 |
| 1132 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{in}$. | 1 |
| 1133 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{dm}$. | 1 |
| 1134 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 5\, \text{cm}$. | 1 |
| 1135 | Find the side $ a $ of an equilateral triangle if perimeter $P = 10\, \text{cm}$. | 1 |
| 1136 | Find the side $ a $ of an equilateral triangle if altitude $h = 6\, \text{cm}$. | 1 |
| 1137 | 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 |
| 1138 | 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 |
| 1139 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 133\, \text{mm}$. | 1 |
| 1140 | Find the side $ a $ of an equilateral triangle if side $a = 1600\, \text{mm}$. | 1 |
| 1141 | Find the altitude $ h $ of an equilateral triangle if side $a = 22\, \text{mm}$. | 1 |
| 1142 | 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 |
| 1143 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 4\, \text{mm}$. | 1 |
| 1144 | Find the altitude $ h $ of an equilateral triangle if circumcircle radius $R = 4\, \text{mm}$. | 1 |
| 1145 | Find the side $ a $ of an equilateral triangle if side $a = 4.15\, \text{m}$ and altitude $h = 12.4\, \text{m}$. | 1 |
| 1146 | Find the side $ a $ of an equilateral triangle if altitude $h = \frac{ 3 }{ 5 }\, \text{mm}$. | 1 |
| 1147 | Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 9\, \text{mm}$. | 1 |
| 1148 | Find the side $ a $ of an equilateral triangle if side $a = 4\, \text{in}$. | 1 |
| 1149 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 4\, \text{in}$. | 1 |
| 1150 | Find the perimeter $ P $ of an equilateral triangle if side $a = 323\, \text{cm}$. | 1 |
