Equilateral Triangle

(the database of solved problems)

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

Select category

ID	Problem	Count
701	Find the incircle radius $ r $ of an equilateral triangle if perimeter $P = 852\, \text{mm}$.	2
702	Find the side $ a $ of an equilateral triangle if side $a = 300\, \text{mm}$.	2
703	Find the area $ A $ of an equilateral triangle if perimeter $P = 36\, \text{mm}$.	2
704	Find the side $ a $ of an equilateral triangle if altitude $h = 0.137\, \text{in}$.	2
705	Find the side $ a $ of an equilateral triangle if altitude $h = 0.132\, \text{in}$.	2
706	Find the side $ a $ of an equilateral triangle if altitude $h = 0.033\, \text{in}$.	2
707	Find the side $ a $ of an equilateral triangle if altitude $h = 0.112\, \text{in}$.	2
708	Find the side $ a $ of an equilateral triangle if altitude $h = 0.125\, \text{in}$.	2
709	Find the side $ a $ of an equilateral triangle if altitude $h = 0.115\, \text{in}$.	2
710	Find the side $ a $ of an equilateral triangle if altitude $h = 0.109\, \text{in}$.	2
711	Find the side $ a $ of an equilateral triangle if altitude $h = 0.092\, \text{in}$.	2
712	Find the side $ a $ of an equilateral triangle if altitude $h = 0.079\, \text{in}$.	2
713	Find the side $ a $ of an equilateral triangle if altitude $h = 0.071\, \text{in}$.	2
714	Find the side $ a $ of an equilateral triangle if altitude $h = 0.058\, \text{in}$.	2
715	Find the side $ a $ of an equilateral triangle if altitude $h = 0.045\, \text{in}$.	2
716	Find the side $ a $ of an equilateral triangle if side $a = 8\, \text{cm}$.	2
717	Find the side $ a $ of an equilateral triangle if ???.	2
718	Find the side $ a $ of an equilateral triangle if side $a = 0.15\, \text{in}$.	2
719	Find the altitude $ h $ of an equilateral triangle if side $a = 10\, \text{cm}$.	2
720	Find the perimeter $ P $ of an equilateral triangle if side $a = 35.6\, \text{mm}$.	2
721	Find the area $ A $ of an equilateral triangle if area $A = 35.6\, \text{cm}^2$.	2
722	Find the side $ a $ of an equilateral triangle if side $a = 4.9\, \text{mm}$.	2
723	Find the incircle radius $ r $ of an equilateral triangle if side $a = 0.8\, \text{mm}$, altitude $h = 0.7\, \text{mm}$, perimeter $P = 2.41\, \text{mm}$, area $A = 0.2827\, \text{mm}^2$, circumcircle radius $R = 0.46\, \text{mm}$ and incircle radius $r = 0.23\, \text{mm}$.	2
724	Find the incircle radius $ r $ of an equilateral triangle if side $a = 1.73\, \text{mm}$, altitude $h = 1.5\, \text{mm}$, perimeter $P = 5.2\, \text{mm}$, area $A = 1.3\, \text{mm}^2$, circumcircle radius $R = 1\, \text{mm}$ and incircle radius $r = 0.5\, \text{mm}$.	2
725	Find the side $ a $ of an equilateral triangle if side $a = 144\, \text{in}$ and altitude $h = 66\, \text{in}$.	2
726	Find the side $ a $ of an equilateral triangle if side $a = 27\, \text{m}$, altitude $h = 13.5\, \text{m}$ and perimeter $P = 81\, \text{m}$.	2
727	Find the side $ a $ of an equilateral triangle if side $a = 27\, \text{m}$, altitude $h = 23.4\, \text{m}$ and perimeter $P = 81\, \text{m}$.	2
728	Find the side $ a $ of an equilateral triangle if incircle radius $r = 12.25\, \text{in}$.	2
729	Find the side $ a $ of an equilateral triangle if incircle radius $r = 6.125\, \text{in}$.	2
730	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 13.125\, \text{in}$.	2
731	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 12.75\, \text{in}$.	2
732	Find the circumcircle radius $ R $ of an equilateral triangle if incircle radius $r = 1.35\, \text{mm}$.	2
733	Find the side $ a $ of an equilateral triangle if side $a = 100\, \text{cm}$.	2
734	Find the side $ a $ of an equilateral triangle if altitude $h = 7\, \text{mm}$.	2
735	Find the area $ A $ of an equilateral triangle if side $a = 54\, \text{mm}$.	2
736	Find the side $ a $ of an equilateral triangle if altitude $h = 6.5\, \text{mm}$.	2
737	Find the altitude $ h $ of an equilateral triangle if side $a = 172.64\, \text{m}$.	2
738	Find the altitude $ h $ of an equilateral triangle if side $a = 3\, \text{mm}$.	2
739	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 12\, \text{in}$.	2
740	Find the side $ a $ of an equilateral triangle if side $a = 42\, \text{mm}$ and altitude $h = 25\, \text{mm}$.	2
741	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 50\, \text{mm}$.	2
742	Find the altitude $ h $ of an equilateral triangle if side $a = 1\, \text{mm}$.	2
743	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 36\, \text{mm}$.	2
744	Find the altitude $ h $ of an equilateral triangle if side $a = 30\, \text{mm}$.	2
745	Find the side $ a $ of an equilateral triangle if altitude $h = 20\, \text{cm}$.	2
746	Find the altitude $ h $ of an equilateral triangle if side $a = 24\, \text{mm}$, altitude $h = 6\, \text{mm}$, perimeter $P = 12\, \text{mm}$ and area $A = 46\, \text{mm}^2$.	2
747	Find the side $ a $ of an equilateral triangle if area $A = 16 \sqrt{ 3 }\, \text{mm}^2$.	2
748	Find the side $ a $ of an equilateral triangle if side $a = 100\, \text{mm}$ and circumcircle radius $R = 60\, \text{mm}$.	2
749	Find the side $ a $ of an equilateral triangle if side $a = 100\, \text{mm}$, perimeter $P = 300\, \text{mm}$ and incircle radius $r = 60\, \text{mm}$.	2
750	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 31\, \text{mm}$.	2