Equilateral Triangle
(the database of solved problems)
All the problems and solutions shown below were generated using the Equilateral Triangle Calculator.
| ID |
Problem |
Count |
| 1051 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 15\, \text{mm}$. | 1 |
| 1052 | Find the area $ A $ of an equilateral triangle if side $a = 9\, \text{mm}$ and altitude $h = 9.4\, \text{in}$. | 1 |
| 1053 | Find the area $ A $ of an equilateral triangle if side $a = 9\, \text{in}$. | 1 |
| 1054 | Find the altitude $ h $ of an equilateral triangle if side $a = 60\, \text{mm}$. | 1 |
| 1055 | Find the altitude $ h $ of an equilateral triangle if side $a = 60\, \text{in}$. | 1 |
| 1056 | Find the altitude $ h $ of an equilateral triangle if side $a = 72\, \text{in}$. | 1 |
| 1057 | Find the side $ a $ of an equilateral triangle if area $A = 149\, \text{cm}^2$. | 1 |
| 1058 | 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 |
| 1059 | Find the area $ A $ of an equilateral triangle if side $a = 30\, \text{ft}$. | 1 |
| 1060 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 2.75\, \text{in}$. | 1 |
| 1061 | Find the side $ a $ of an equilateral triangle if side $a = 2.75\, \text{in}$. | 1 |
| 1062 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 4\, \text{mm}$. | 1 |
| 1063 | Find the side $ a $ of an equilateral triangle if side $a = 60\, \text{in}$ and perimeter $P = 180\, \text{in}$. | 1 |
| 1064 | Find the altitude $ h $ of an equilateral triangle if side $a = 60\, \text{in}$. | 1 |
| 1065 | Find the altitude $ h $ of an equilateral triangle if altitude $h = 51.96\, \text{in}$. | 1 |
| 1066 | Find the side $ a $ of an equilateral triangle if altitude $h = 51.96\, \text{in}$. | 1 |
| 1067 | Find the area $ A $ of an equilateral triangle if perimeter $P = 180\, \text{in}$. | 1 |
| 1068 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 600\, \text{in}$. | 1 |
| 1069 | Find the area $ A $ of an equilateral triangle if side $a = 10\, \text{mm}$ and altitude $h = 10\, \text{mm}$. | 1 |
| 1070 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{cm}$. | 1 |
| 1071 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{in}$. | 1 |
| 1072 | Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{dm}$. | 1 |
| 1073 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 5\, \text{cm}$. | 1 |
| 1074 | Find the side $ a $ of an equilateral triangle if perimeter $P = 10\, \text{cm}$. | 1 |
| 1075 | Find the side $ a $ of an equilateral triangle if altitude $h = 6\, \text{cm}$. | 1 |
| 1076 | 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 |
| 1077 | 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 |
| 1078 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 133\, \text{mm}$. | 1 |
| 1079 | Find the side $ a $ of an equilateral triangle if side $a = 1600\, \text{mm}$. | 1 |
| 1080 | Find the altitude $ h $ of an equilateral triangle if side $a = 22\, \text{mm}$. | 1 |
| 1081 | 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 |
| 1082 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 4\, \text{mm}$. | 1 |
| 1083 | Find the altitude $ h $ of an equilateral triangle if circumcircle radius $R = 4\, \text{mm}$. | 1 |
| 1084 | Find the side $ a $ of an equilateral triangle if side $a = 4.15\, \text{m}$ and altitude $h = 12.4\, \text{m}$. | 1 |
| 1085 | Find the side $ a $ of an equilateral triangle if altitude $h = \frac{ 3 }{ 5 }\, \text{mm}$. | 1 |
| 1086 | Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 9\, \text{mm}$. | 1 |
| 1087 | Find the side $ a $ of an equilateral triangle if side $a = 4\, \text{in}$. | 1 |
| 1088 | Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 4\, \text{in}$. | 1 |
| 1089 | Find the perimeter $ P $ of an equilateral triangle if side $a = 323\, \text{cm}$. | 1 |
| 1090 | Find the perimeter $ P $ of an equilateral triangle if circumcircle radius $R = 323\, \text{cm}$. | 1 |
| 1091 | Find the side $ a $ of an equilateral triangle if side $a = 12\, \text{m}$. | 1 |
| 1092 | Find the area $ A $ of an equilateral triangle if side $a = 12\, \text{m}$. | 1 |
| 1093 | Find the side $ a $ of an equilateral triangle if side $a = 99\, \text{mm}$. | 1 |
| 1094 | Find the side $ a $ of an equilateral triangle if incircle radius $r = 2.5\, \text{in}$. | 1 |
| 1095 | Find the side $ a $ of an equilateral triangle if side $a = 7.5\, \text{mm}$. | 1 |
| 1096 | Find the incircle radius $ r $ of an equilateral triangle if side $a = 7.5\, \text{mm}$. | 1 |
| 1097 | Find the side $ a $ of an equilateral triangle if side $a = 70\, \text{mm}$ and altitude $h = 30\, \text{cm}$. | 1 |
| 1098 | Find the side $ a $ of an equilateral triangle if side $a = 150\, \text{mm}$. | 1 |
| 1099 | Find the side $ a $ of an equilateral triangle if altitude $h = 1\, \text{in}$. | 1 |
| 1100 | Find the perimeter $ P $ of an equilateral triangle if area $A = 320\, \text{mm}^2$. | 1 |
