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
651	Find the altitude $ h $ of an equilateral triangle if side $a = 84\, \text{in}$.	2
652	Find the side $ a $ of an equilateral triangle if area $A = 25\, \text{ft}^2$.	2
653	Find the side $ a $ of an equilateral triangle if side $a = 47\, \text{mm}$.	2
654	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 47\, \text{mm}$.	2
655	Find the side $ a $ of an equilateral triangle if altitude $h = 0.5\, \text{in}$.	2
656	Find the side $ a $ of an equilateral triangle if altitude $h = 12\, \text{mm}$ and area $A = 120\, \text{mm}^2$.	2
657	Find the side $ a $ of an equilateral triangle if area $A = 58\, \text{cm}^2$.	2
658	Find the side $ a $ of an equilateral triangle if side $a = 60\, \text{in}$.	2
659	Find the altitude $ h $ of an equilateral triangle if side $a = 60\, \text{in}$.	2
660	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 60\, \text{in}$.	2
661	Find the area $ A $ of an equilateral triangle if altitude $h = 4 \sqrt{ 3 }\, \text{mm}$.	2
662	Find the perimeter $ P $ of an equilateral triangle if side $a = 8\, \text{mm}$, altitude $h = 4 \sqrt{ 3 }\, \text{mm}$ and area $A = 16 \sqrt{ 3 }\, \text{mm}^2$.	2
663	Find the perimeter $ P $ of an equilateral triangle if altitude $h = 4 \sqrt{ 3 }\, \text{mm}$.	2
664	Find the altitude $ h $ of an equilateral triangle if side $a = 49\, \text{in}$.	2
665	Find the side $ a $ of an equilateral triangle if side $a = 49\, \text{in}$.	2
666	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 171.5\, \text{mm}$.	2
667	Find the side $ a $ of an equilateral triangle if side $a = \sqrt{ 133 }\, \text{mm}$.	2
668	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 171.5\, \text{mm}$ and incircle radius $r = 133\, \text{mm}$.	2
669	Find the side $ a $ of an equilateral triangle if side $a = 15\, \text{cm}$.	2
670	Find the area $ A $ of an equilateral triangle if side $a = 1.22\, \text{m}$.	2
671	Find the side $ a $ of an equilateral triangle if side $a = 6\, \text{mm}$ and altitude $h = 5\, \text{mm}$.	2
672	Find the perimeter $ P $ of an equilateral triangle if circumcircle radius $R = 4\, \text{mm}$.	2
673	Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 4\, \text{mm}$.	2
674	Find the altitude $ h $ of an equilateral triangle if side $a = 5\, \text{cm}$.	2
675	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
676	Find the area $ A $ of an equilateral triangle if side $a = 12\, \text{mm}$ and area $A = 12\, \text{mm}^2$.	2
677	Find the side $ a $ of an equilateral triangle if area $A = 99\, \text{mm}^2$.	2
678	Find the perimeter $ P $ of an equilateral triangle if circumcircle radius $R = 8\, \text{mm}$.	2
679	Find the side $ a $ of an equilateral triangle if incircle radius $r = 1.25\, \text{in}$.	2
680	Find the side $ a $ of an equilateral triangle if side $a = 4.53\, \text{mm}$ and perimeter $P = 4.53\, \text{mm}$.	2
681	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
682	Find the incircle radius $ r $ of an equilateral triangle if side $a = 7.5\, \text{mm}$ and altitude $h = 12.2\, \text{mm}$.	2
683	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
684	Find the altitude $ h $ of an equilateral triangle if side $a = 12\, \text{ft}$.	2
685	Find the perimeter $ P $ of an equilateral triangle if perimeter $P = 51\, \text{mm}$.	2
686	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 10\, \text{in}$.	2
687	Find the altitude $ h $ of an equilateral triangle if side $a = 5\, \text{m}$.	2
688	Find the area $ A $ of an equilateral triangle if side $a = 1\, \text{cm}$.	2
689	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
690	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
691	Find the side $ a $ of an equilateral triangle if side $a = 14\, \text{mm}$.	2
692	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 70\, \text{mm}$.	2
693	Find the side $ a $ of an equilateral triangle if altitude $h = 15\, \text{cm}$.	2
694	Find the incircle radius $ r $ of an equilateral triangle if side $a = 60\, \text{mm}$.	2
695	Find the area $ A $ of an equilateral triangle if side $a = 10\, \text{cm}$ and altitude $h = 8.6603\, \text{cm}$.	2
696	Find the altitude $ h $ of an equilateral triangle if side $a = 9\, \text{mm}$.	2
697	Find the side $ a $ of an equilateral triangle if side $a = 16\, \text{ft}$.	2
698	Find the side $ a $ of an equilateral triangle if incircle radius $r = 37.5\, \text{mm}$.	2
699	Find the side $ a $ of an equilateral triangle if side $a = \frac{ 31 }{ 4 }\, \text{in}$.	2
700	Find the altitude $ h $ of an equilateral triangle if side $a = \frac{ 31 }{ 4 }\, \text{in}$.	2