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
501	Find the altitude $ h $ of an equilateral triangle if side $a = 70\, \text{mm}$.	2
502	Find the area $ A $ of an equilateral triangle if side $a = 80\, \text{mm}$.	2
503	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 5\, \text{m}$.	2
504	Find the side $ a $ of an equilateral triangle if side $a = 60\, \text{mm}$.	2
505	Find the side $ a $ of an equilateral triangle if altitude $h = 28\, \text{in}$.	2
506	Find the side $ a $ of an equilateral triangle if area $A = 5\, \text{cm}^2$.	2
507	Find the side $ a $ of an equilateral triangle if area $A = 10\, \text{cm}^2$.	2
508	Find the area $ A $ of an equilateral triangle if side $a = 6.78\, \text{cm}$.	2
509	Find the side $ a $ of an equilateral triangle if side $a = 16\, \text{ft}$ and altitude $h = 17\, \text{ft}$.	2
510	Find the altitude $ h $ of an equilateral triangle if side $a = 12.5\, \text{mm}$.	2
511	Find the side $ a $ of an equilateral triangle if side $a = 48\, \text{in}$.	2
512	Find the side $ a $ of an equilateral triangle if side $a = 79\, \text{ft}$.	2
513	Find the side $ a $ of an equilateral triangle if area $A = 43.5\, \text{ft}^2$.	2
514	Find the area $ A $ of an equilateral triangle if side $a = 43.5\, \text{ft}$, altitude $h = 37.67\, \text{ft}$, perimeter $P = 130.5\, \text{ft}$, area $A = 819.37\, \text{ft}^2$, circumcircle radius $R = 25.11\, \text{ft}$ and incircle radius $r = 12.56\, \text{ft}$.	2
515	Find the side $ a $ of an equilateral triangle if incircle radius $r = 7\, \text{km}$.	2
516	Find the side $ a $ of an equilateral triangle if side $a = 3.7\, \text{mm}$, altitude $h = 2.8\, \text{mm}$, perimeter $P = 6.7\, \text{mm}$, area $A = 56.7\, \text{mm}^2$, circumcircle radius $R = 4.5\, \text{mm}$ and incircle radius $r = 2.5\, \text{mm}$.	2
517	Find the side $ a $ of an equilateral triangle if altitude $h = 4.33\, \text{in}$.	2
518	Find the side $ a $ of an equilateral triangle if altitude $h = 4.2\, \text{in}$.	2
519	Find the side $ a $ of an equilateral triangle if altitude $h = 5.25\, \text{in}$.	2
520	Find the altitude $ h $ of an equilateral triangle if side $a = 9\, \text{cm}$.	2
521	Find the side $ a $ of an equilateral triangle if altitude $h = 8\, \text{in}$.	2
522	Find the side $ a $ of an equilateral triangle if altitude $h = 8.5\, \text{in}$.	2
523	Find the side $ a $ of an equilateral triangle if altitude $h = 10\, \text{mm}$.	2
524	Find the side $ a $ of an equilateral triangle if perimeter $P = 24\, \text{cm}$.	2
525	Find the side $ a $ of an equilateral triangle if altitude $h = 4\, \text{cm}$.	2
526	Find the incircle radius $ r $ of an equilateral triangle if side $a = 8\, \text{ft}$.	2
527	Find the altitude $ h $ of an equilateral triangle if side $a = 7\, \text{ft}$.	2
528	Find the side $ a $ of an equilateral triangle if side $a = 19\, \text{mm}$.	2
529	Find the incircle radius $ r $ of an equilateral triangle if ???.	2
530	Find the incircle radius $ r $ of an equilateral triangle if side $a = 150\, \text{mm}$.	2
531	Find the altitude $ h $ of an equilateral triangle if side $a = 3\, \text{mm}$.	2
532	Find the side $ a $ of an equilateral triangle if side $a = 48\, \text{mm}$ and altitude $h = 138\, \text{mm}$.	2
533	Find the side $ a $ of an equilateral triangle if side $a = 160\, \text{mm}$.	2
534	Find the side $ a $ of an equilateral triangle if side $a = 1.4583\, \text{mm}$.	2
535	Find the side $ a $ of an equilateral triangle if perimeter $P = 4.375\, \text{mm}$.	2
536	Find the side $ a $ of an equilateral triangle if altitude $h = 6\, \text{in}$.	2
537	Find the incircle radius $ r $ of an equilateral triangle if side $a = 50\, \text{mm}$.	2
538	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 4 \sqrt{ 3 }\, \text{mm}$.	2
539	Find the side $ a $ of an equilateral triangle if side $a = 60\, \text{in}$.	2
540	Find the incircle radius $ r $ of an equilateral triangle if side $a = 60\, \text{in}$.	2
541	Find the altitude $ h $ of an equilateral triangle if area $A = \sqrt{ 3 }\, \text{cm}^2$.	2
542	Find the altitude $ h $ of an equilateral triangle if altitude $h = \sqrt{ 3 }\, \text{cm}$, perimeter $P = 6\, \text{cm}$ and area $A = \sqrt{ 3 }\, \text{cm}^2$.	2
543	Find the area $ A $ of an equilateral triangle if area $A = \sqrt{ 3 }\, \text{cm}^2$.	2
544	Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{cm}$.	2
545	Find the area $ A $ of an equilateral triangle if side $a = 2\, \text{cm}$.	2
546	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 6$.	2
547	Find the perimeter $ P $ of an equilateral triangle if altitude $h = 24$.	2
548	Find the side $ a $ of an equilateral triangle if side $a = 2012$.	2
549	Find the side $ a $ of an equilateral triangle if area $A = 26 \sqrt{ 3 }$.	2
550	Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 12$.	2