Equilateral Triangle

(the database of solved problems)

All the problems and solutions shown below were generated using the Equilateral Triangle Calculator.

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ID	Problem	Count
401	Find the area $ A $ of an equilateral triangle if side $a = 1.22\, \text{m}$.	2
402	Find the side $ a $ of an equilateral triangle if side $a = 6\, \text{mm}$ and altitude $h = 5\, \text{mm}$.	2
403	Find the perimeter $ P $ of an equilateral triangle if circumcircle radius $R = 4\, \text{mm}$.	2
404	Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 4\, \text{mm}$.	2
405	Find the altitude $ h $ of an equilateral triangle if side $a = 5\, \text{cm}$.	2
406	Find the side $ a $ of an equilateral triangle if side $a = 12\, \text{mm}$, perimeter $P = 12\, \text{mm}$ and circumcircle radius $R = 12\, \text{mm}$.	2
407	Find the area $ A $ of an equilateral triangle if side $a = 12\, \text{mm}$ and area $A = 12\, \text{mm}^2$.	2
408	Find the side $ a $ of an equilateral triangle if area $A = 99\, \text{mm}^2$.	2
409	Find the perimeter $ P $ of an equilateral triangle if circumcircle radius $R = 8\, \text{mm}$.	2
410	Find the side $ a $ of an equilateral triangle if incircle radius $r = 1.25\, \text{in}$.	2
411	Find the side $ a $ of an equilateral triangle if side $a = 4.53\, \text{mm}$ and perimeter $P = 4.53\, \text{mm}$.	2
412	Find the side $ a $ of an equilateral triangle if side $a = 4\, \text{mm}$, altitude $h = 6\, \text{mm}$, perimeter $P = 4\, \text{mm}$, area $A = 999\, \text{mm}^2$, circumcircle radius $R = 11\, \text{mm}$ and incircle radius $r = 3\, \text{mm}$.	2
413	Find the incircle radius $ r $ of an equilateral triangle if side $a = 7.5\, \text{mm}$ and altitude $h = 12.2\, \text{mm}$.	2
414	Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{mm}$, altitude $h = 7\, \text{mm}$, perimeter $P = 9\, \text{mm}$, area $A = 55\, \text{mm}^2$, circumcircle radius $R = 1\, \text{mm}$ and incircle radius $r = 4\, \text{mm}$.	2
415	Find the altitude $ h $ of an equilateral triangle if side $a = 12\, \text{ft}$.	2
416	Find the perimeter $ P $ of an equilateral triangle if perimeter $P = 51\, \text{mm}$.	2
417	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 10\, \text{in}$.	2
418	Find the altitude $ h $ of an equilateral triangle if side $a = 5\, \text{m}$.	2
419	Find the area $ A $ of an equilateral triangle if side $a = 1\, \text{cm}$.	2
420	Find the area $ A $ of an equilateral triangle if side $a = 15.56\, \text{mm}$, altitude $h = 22\, \text{mm}$ and circumcircle radius $R = 35\, \text{mm}$.	2
421	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 15.56\, \text{mm}$, altitude $h = 22\, \text{mm}$ and incircle radius $r = 35\, \text{mm}$.	2
422	Find the side $ a $ of an equilateral triangle if side $a = 14\, \text{mm}$.	2
423	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 70\, \text{mm}$.	2
424	Find the side $ a $ of an equilateral triangle if altitude $h = 15\, \text{cm}$.	2
425	Find the incircle radius $ r $ of an equilateral triangle if side $a = 60\, \text{mm}$.	2
426	Find the area $ A $ of an equilateral triangle if side $a = 10\, \text{cm}$ and altitude $h = 8.6603\, \text{cm}$.	2
427	Find the altitude $ h $ of an equilateral triangle if side $a = 9\, \text{mm}$.	2
428	Find the side $ a $ of an equilateral triangle if side $a = 16\, \text{ft}$.	2
429	Find the side $ a $ of an equilateral triangle if incircle radius $r = 37.5\, \text{mm}$.	2
430	Find the side $ a $ of an equilateral triangle if side $a = \frac{ 31 }{ 4 }\, \text{in}$.	2
431	Find the altitude $ h $ of an equilateral triangle if side $a = \frac{ 31 }{ 4 }\, \text{in}$.	2
432	Find the incircle radius $ r $ of an equilateral triangle if perimeter $P = 852\, \text{mm}$.	2
433	Find the side $ a $ of an equilateral triangle if side $a = 300\, \text{mm}$.	2
434	Find the area $ A $ of an equilateral triangle if perimeter $P = 36\, \text{mm}$.	2
435	Find the side $ a $ of an equilateral triangle if altitude $h = 0.137\, \text{in}$.	2
436	Find the side $ a $ of an equilateral triangle if altitude $h = 0.132\, \text{in}$.	2
437	Find the side $ a $ of an equilateral triangle if altitude $h = 0.033\, \text{in}$.	2
438	Find the side $ a $ of an equilateral triangle if altitude $h = 0.112\, \text{in}$.	2
439	Find the side $ a $ of an equilateral triangle if altitude $h = 0.125\, \text{in}$.	2
440	Find the side $ a $ of an equilateral triangle if altitude $h = 0.115\, \text{in}$.	2
441	Find the side $ a $ of an equilateral triangle if altitude $h = 0.109\, \text{in}$.	2
442	Find the side $ a $ of an equilateral triangle if altitude $h = 0.092\, \text{in}$.	2
443	Find the side $ a $ of an equilateral triangle if altitude $h = 0.079\, \text{in}$.	2
444	Find the side $ a $ of an equilateral triangle if altitude $h = 0.071\, \text{in}$.	2
445	Find the side $ a $ of an equilateral triangle if altitude $h = 0.058\, \text{in}$.	2
446	Find the side $ a $ of an equilateral triangle if altitude $h = 0.045\, \text{in}$.	2
447	Find the altitude $ h $ of an equilateral triangle if side $a = 5\, \text{mm}$.	2
448	Find the side $ a $ of an equilateral triangle if ???.	2
449	Find the side $ a $ of an equilateral triangle if side $a = 0.15\, \text{in}$.	2
450	Find the side $ a $ of an equilateral triangle if altitude $h = 2 \sqrt{ 3 }\, \text{mm}$.	2