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
701	Find the area $ A $ of an equilateral triangle if ???.	2
702	Find the side $ a $ of an equilateral triangle if area $A = 5.1962\, \text{mm}^2$.	2
703	Find the altitude $ h $ of an equilateral triangle if side $a = 1\, \text{in}$.	2
704	Find the altitude $ h $ of an equilateral triangle if side $a = 1\, \text{in}$ and perimeter $P = 3\, \text{in}$.	2
705	Find the side $ a $ of an equilateral triangle if side $a = 202\, \text{mm}$.	2
706	Find the circumcircle radius $ R $ of an equilateral triangle if altitude $h = 26\, \text{mm}$ and circumcircle radius $R = 26\, \text{mm}$.	2
707	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 26\, \text{mm}$.	2
708	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 2\, \text{mm}$.	2
709	Find the side $ a $ of an equilateral triangle if side $a = 15.9\, \text{cm}$ and altitude $h = 13.8\, \text{cm}$.	2
710	Find the side $ a $ of an equilateral triangle if side $a = 15.9\, \text{cm}$, altitude $h = 13.8\, \text{cm}$ and area $A = 109.71\, \text{cm}^2$.	2
711	Find the perimeter $ P $ of an equilateral triangle if side $a = 15.9\, \text{cm}$.	2
712	Find the side $ a $ of an equilateral triangle if side $a = 6 \sqrt{ 6 }\, \text{mm}$.	2
713	Find the side $ a $ of an equilateral triangle if perimeter $P = 18 \sqrt{ 6 }\, \text{mm}$.	2
714	Find the altitude $ h $ of an equilateral triangle if side $a = 2 \sqrt{ 3 }\, \text{mm}$.	2
715	Find the side $ a $ of an equilateral triangle if side $a = 50\, \text{mm}$.	2
716	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 18\, \text{mm}$.	2
717	Find the perimeter $ P $ of an equilateral triangle if circumcircle radius $R = 18\, \text{mm}$.	2
718	Find the side $ a $ of an equilateral triangle if side $a = 0.55\, \text{m}$.	2
719	Find the side $ a $ of an equilateral triangle if side $a = 24 \sqrt{ 3 }\, \text{mm}$ and circumcircle radius $R = 24\, \text{mm}$.	2
720	Find the side $ a $ of an equilateral triangle if side $a = 24 \sqrt{ 3 }\, \text{mm}$.	2
721	Find the side $ a $ of an equilateral triangle if side $a = 145.2\, \text{ft}$.	2
722	Find the side $ a $ of an equilateral triangle if side $a = 145.2\, \text{in}$.	2
723	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 145.2\, \text{in}$.	2
724	Find the area $ A $ of an equilateral triangle if area $A = 3 \sqrt{ 3 }\, \text{mm}^2$.	2
725	Find the perimeter $ P $ of an equilateral triangle if altitude $h = 5\, \text{mm}$ and area $A = 15\, \text{mm}^2$.	2
726	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 5.5\, \text{in}$.	2
727	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 6\, \text{in}$.	2
728	Find the area $ A $ of an equilateral triangle if side $a = 60\, \text{ft}$ and altitude $h = 40\, \text{ft}$.	2
729	Find the side $ a $ of an equilateral triangle if side $a = 9\, \text{cm}$, altitude $h = 2.6\, \text{cm}$ and area $A = 112.8\, \text{cm}^2$.	2
730	Find the altitude $ h $ of an equilateral triangle if side $a = 5\, \text{in}$.	2
731	Find the side $ a $ of an equilateral triangle if side $a = 3 \sqrt{ 45 }\, \text{mm}$ and altitude $h = 2 \sqrt{ 30 }\, \text{mm}$.	2
732	Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 2.5\, \text{mm}$.	2
733	Find the side $ a $ of an equilateral triangle if side $a = 3\, \text{in}$.	2
734	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 3\, \text{in}$.	2
735	Find the altitude $ h $ of an equilateral triangle if side $a = 0.42\, \text{in}$.	2
736	Find the side $ a $ of an equilateral triangle if altitude $h = 55\, \text{mm}$ and perimeter $P = 333233445\, \text{mm}$.	2
737	Find the area $ A $ of an equilateral triangle if circumcircle radius $R = 5\, \text{mm}$.	2
738	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 11.16\, \text{in}$.	2
739	Find the area $ A $ of an equilateral triangle if incircle radius $r = 10\, \text{mm}$.	2
740	Find the side $ a $ of an equilateral triangle if altitude $h = 5\, \text{in}$.	2
741	Find the side $ a $ of an equilateral triangle if side $a = 24\, \text{mm}$, altitude $h = 6\, \text{mm}$, perimeter $P = 45\, \text{mm}$, area $A = 5\, \text{mm}^2$, circumcircle radius $R = 12\, \text{mm}$ and incircle radius $r = 43\, \text{mm}$.	2
742	Find the side $ a $ of an equilateral triangle if side $a = 19\, \text{in}$ and perimeter $P = 57\, \text{in}$.	2
743	Find the side $ a $ of an equilateral triangle if side $a = 19\, \text{in}$.	2
744	Find the side $ a $ of an equilateral triangle if side $a = 615\, \text{mm}$.	2
745	Find the side $ a $ of an equilateral triangle if side $a = 2820\, \text{mm}$ and altitude $h = 785\, \text{mm}$.	2
746	Find the side $ a $ of an equilateral triangle if perimeter $P = 30\, \text{mm}$.	2
747	Find the side $ a $ of an equilateral triangle if altitude $h = 100\, \text{mm}$.	2
748	Find the side $ a $ of an equilateral triangle if side $a = 9 \sqrt{ 7 }\, \text{mm}$.	2
749	Find the altitude $ h $ of an equilateral triangle if side $a = 34.5\, \text{mm}$.	2
750	Find the altitude $ h $ of an equilateral triangle if perimeter $P = 41.5692\, \text{mm}$.	2