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 side $a = 18\, \text{mm}$. | 1 |
| 1102 | Find the area $ A $ of an equilateral triangle if side $a = 40\, \text{mm}$ and perimeter $P = 120\, \text{mm}$. | 1 |
| 1103 | Find the side $ a $ of an equilateral triangle if side $a = 28\, \text{mm}$ and altitude $h = 14 \sqrt{ 3 }\, \text{mm}$. | 1 |
| 1104 | Find the incircle radius $ r $ of an equilateral triangle if incircle radius $r = 2\, \text{mm}$. | 1 |
| 1105 | Find the incircle radius $ r $ of an equilateral triangle if incircle radius $r = 2\, \text{in}$. | 1 |
| 1106 | Find the side $ a $ of an equilateral triangle if ???. | 1 |
| 1107 | Find the side $ a $ of an equilateral triangle if side $a = 7205\, \text{mm}$ and altitude $h = 3001\, \text{mm}$. | 1 |
| 1108 | Find the side $ a $ of an equilateral triangle if area $A = 215.977\, \text{cm}^2$. | 1 |
| 1109 | Find the altitude $ h $ of an equilateral triangle if side $a = 202\, \text{mm}$. | 1 |
| 1110 | Find the side $ a $ of an equilateral triangle if side $a = 70\, \text{m}$. | 1 |
| 1111 | Find the incircle radius $ r $ of an equilateral triangle if altitude $h = 220\, \text{mm}$. | 1 |
| 1112 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 12\, \text{in}$. | 1 |
| 1113 | Find the area $ A $ of an equilateral triangle if side $a = 6\, \text{mm}$ and perimeter $P = 18\, \text{mm}$. | 1 |
| 1114 | Find the altitude $ h $ of an equilateral triangle if side $a = 5\, \text{in}$. | 1 |
| 1115 | Find the altitude $ h $ of an equilateral triangle if side $a = 6\, \text{in}$, altitude $h = 4.33\, \text{in}$, perimeter $P = 15\, \text{mm}$, area $A = 10.83\, \text{mm}^2$, circumcircle radius $R = 2.89\, \text{mm}$ and incircle radius $r = 1.44\, \text{mm}$. | 1 |
| 1116 | Find the altitude $ h $ of an equilateral triangle if side $a = 8 \sqrt{ 3 }\, \text{mm}$. | 1 |
| 1117 | Find the side $ a $ of an equilateral triangle if side $a = 15.9\, \text{cm}$. | 1 |
| 1118 | Find the side $ a $ of an equilateral triangle if side $a = 6 \sqrt{ 6 }\, \text{m}$ and perimeter $P = 18 \sqrt{ 6 }\, \text{mm}$. | 1 |
| 1119 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 2 \sqrt{ 3 }\, \text{mm}$. | 1 |
| 1120 | Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 18\, \text{mm}$. | 1 |
| 1121 | Find the area $ A $ of an equilateral triangle if incircle radius $r = 5 \sqrt{ 3 }\, \text{mm}$. | 1 |
| 1122 | Find the side $ a $ of an equilateral triangle if side $a = 0.55\, \text{m}$, altitude $h = 0.4763\, \text{m}$ and perimeter $P = 1.65\, \text{m}$. | 1 |
| 1123 | Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 6 \sqrt{ 3 }\, \text{mm}$. | 1 |
| 1124 | Find the area $ A $ of an equilateral triangle if side $a = 4\, \text{mm}$, altitude $h = 4\, \text{mm}$, perimeter $P = 4\, \text{mm}$, area $A = 4\, \text{mm}^2$, circumcircle radius $R = 4\, \text{mm}$ and incircle radius $r = 4\, \text{mm}$. | 1 |
| 1125 | Find the side $ a $ of an equilateral triangle if side $a = 420\, \text{mm}$ and altitude $h = 300\, \text{mm}$. | 1 |
| 1126 | Find the side $ a $ of an equilateral triangle if area $A = 3 \sqrt{ 3 }\, \text{mm}^2$. | 1 |
| 1127 | Find the perimeter $ P $ of an equilateral triangle if area $A = 15\, \text{mm}^2$. | 1 |
| 1128 | Find the area $ A $ of an equilateral triangle if side $a = 48\, \text{ft}$ and altitude $h = 8\, \text{ft}$. | 1 |
| 1129 | Find the incircle radius $ r $ of an equilateral triangle if incircle radius $r = 9\, \text{mm}$. | 1 |
| 1130 | Find the altitude $ h $ of an equilateral triangle if side $a = 5\, \text{in}$ and perimeter $P = 15\, \text{in}$. | 1 |
| 1131 | Find the side $ a $ of an equilateral triangle if side $a = 16\, \text{mm}$. | 1 |
| 1132 | Find the side $ a $ of an equilateral triangle if altitude $h = 1\, \text{m}$. | 1 |
| 1133 | Find the side $ a $ of an equilateral triangle if side $a = 0.42\, \text{mm}$. | 1 |
| 1134 | Find the altitude $ h $ of an equilateral triangle if side $a = 0.42\, \text{mm}$. | 1 |
| 1135 | Find the altitude $ h $ of an equilateral triangle if side $a = 6\, \text{m}$. | 1 |
| 1136 | Find the altitude $ h $ of an equilateral triangle if side $a = 0.4\, \text{in}$. | 1 |
| 1137 | Find the side $ a $ of an equilateral triangle if side $a = 16\, \text{mm}$ and perimeter $P = 48\, \text{mm}$. | 1 |
| 1138 | Find the side $ a $ of an equilateral triangle if altitude $h = 7\, \text{cm}$. | 1 |
| 1139 | Find the side $ a $ of an equilateral triangle if altitude $h = 20\, \text{in}$. | 1 |
| 1140 | Find the altitude $ h $ of an equilateral triangle if side $a = 20\, \text{in}$. | 1 |
| 1141 | Find the area $ A $ of an equilateral triangle if area $A = 5 \sqrt{ 3 }\, \text{mm}^2$. | 1 |
| 1142 | Find the area $ A $ of an equilateral triangle if side $a = 5 \sqrt{ 3 }\, \text{mm}$. | 1 |
| 1143 | Find the side $ a $ of an equilateral triangle if side $a = 11.66\, \text{mm}$. | 1 |
| 1144 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 11.66\, \text{mm}$. | 1 |
| 1145 | Find the side $ a $ of an equilateral triangle if side $a = 129.5\, \text{in}$ and altitude $h = 102\, \text{in}$. | 1 |
| 1146 | Find the side $ a $ of an equilateral triangle if side $a = 129.5\, \text{in}$, altitude $h = 102\, \text{in}$ and circumcircle radius $R = 13209\, \text{in}$. | 1 |
| 1147 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 129.5\, \text{in}$. | 1 |
| 1148 | Find the side $ a $ of an equilateral triangle if altitude $h = 102\, \text{in}$. | 1 |
| 1149 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 30\, \text{mm}$. | 1 |
| 1150 | Find the circumcircle radius $ R $ of an equilateral triangle if circumcircle radius $R = 15\, \text{mm}$. | 1 |
