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
351	Find the altitude $ h $ of an equilateral triangle if side $a = 67\, \text{in}$.	3
352	Find the side $ a $ of an equilateral triangle if side $a = 75\, \text{in}$.	3
353	Find the side $ a $ of an equilateral triangle if side $a = 39\, \text{in}$ and altitude $h = 30\, \text{in}$.	3
354	Find the altitude $ h $ of an equilateral triangle if side $a = 39\, \text{in}$ and altitude $h = 30\, \text{in}$.	3
355	Find the side $ a $ of an equilateral triangle if altitude $h = 5.25\, \text{cm}$.	3
356	Find the side $ a $ of an equilateral triangle if perimeter $P = 90\, \text{mm}$ and area $A = 60\, \text{mm}^2$.	3
357	Find the side $ a $ of an equilateral triangle if side $a = 5\, \text{in}$.	3
358	Find the side $ a $ of an equilateral triangle if side $a = 94\, \text{ft}$.	3
359	Find the side $ a $ of an equilateral triangle if perimeter $P = 282\, \text{ft}$.	3
360	Find the altitude $ h $ of an equilateral triangle if perimeter $P = 282\, \text{ft}$.	3
361	Find the side $ a $ of an equilateral triangle if altitude $h = 3\, \text{ft}$.	2
362	Find the side $ a $ of an equilateral triangle if altitude $h = 48\, \text{mm}$.	2
363	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 8\, \text{in}$.	2
364	Find the incircle radius $ r $ of an equilateral triangle if side $a = 2\, \text{in}$.	2
365	Find the side $ a $ of an equilateral triangle if side $a = 24\, \text{in}$.	2
366	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 24\, \text{in}$.	2
367	Find the side $ a $ of an equilateral triangle if side $a = 2\, \text{mm}$, altitude $h = \frac{\sqrt{ 3 }}{ 4 }\, \text{mm}$ and area $A = \frac{\sqrt{ 3 }}{ 4 }\, \text{mm}^2$.	2
368	Find the side $ a $ of an equilateral triangle if side $a = 6\, \text{mm}$ and perimeter $P = 18\, \text{mm}$.	2
369	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 1\, \text{mm}$.	2
370	Find the side $ a $ of an equilateral triangle if side $a = 9\, \text{cm}$ and perimeter $P = 9\, \text{cm}$.	2
371	Find the side $ a $ of an equilateral triangle if side $a = 5\, \text{mm}$ and perimeter $P = 5\, \text{mm}$.	2
372	Find the side $ a $ of an equilateral triangle if side $a = 250\, \text{in}$ and altitude $h = 40\, \text{in}$.	2
373	Find the perimeter $ P $ of an equilateral triangle if altitude $h = 40\, \text{in}$.	2
374	Find the side $ a $ of an equilateral triangle if side $a = 2250\, \text{mm}$.	2
375	Find the area $ A $ of an equilateral triangle if side $a = 1\, \text{in}$.	2
376	Find the side $ a $ of an equilateral triangle if side $a = 11.83\, \text{mm}$.	2
377	Find the side $ a $ of an equilateral triangle if side $a = 3\, \text{mm}$ and altitude $h = 3\, \text{mm}$.	2
378	Find the side $ a $ of an equilateral triangle if altitude $h = 8 \sqrt{ 6 }\, \text{mm}$.	2
379	Find the side $ a $ of an equilateral triangle if altitude $h = 96\, \text{in}$.	2
380	Find the area $ A $ of an equilateral triangle if side $a = 4 \sqrt{ 3 }\, \text{in}$ and incircle radius $r = 2\, \text{in}$.	2
381	Find the altitude $ h $ of an equilateral triangle if side $a = 84\, \text{in}$.	2
382	Find the side $ a $ of an equilateral triangle if area $A = 25\, \text{ft}^2$.	2
383	Find the side $ a $ of an equilateral triangle if side $a = 47\, \text{mm}$.	2
384	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 47\, \text{mm}$.	2
385	Find the side $ a $ of an equilateral triangle if altitude $h = 0.5\, \text{in}$.	2
386	Find the side $ a $ of an equilateral triangle if altitude $h = 12\, \text{mm}$ and area $A = 120\, \text{mm}^2$.	2
387	Find the side $ a $ of an equilateral triangle if side $a = 30\, \text{mm}$.	2
388	Find the side $ a $ of an equilateral triangle if area $A = 58\, \text{cm}^2$.	2
389	Find the side $ a $ of an equilateral triangle if side $a = 60\, \text{in}$.	2
390	Find the altitude $ h $ of an equilateral triangle if side $a = 60\, \text{in}$.	2
391	Find the circumcircle radius $ R $ of an equilateral triangle if side $a = 60\, \text{in}$.	2
392	Find the area $ A $ of an equilateral triangle if altitude $h = 4 \sqrt{ 3 }\, \text{mm}$.	2
393	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
394	Find the perimeter $ P $ of an equilateral triangle if altitude $h = 4 \sqrt{ 3 }\, \text{mm}$.	2
395	Find the altitude $ h $ of an equilateral triangle if side $a = 49\, \text{in}$.	2
396	Find the side $ a $ of an equilateral triangle if side $a = 49\, \text{in}$.	2
397	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 171.5\, \text{mm}$.	2
398	Find the side $ a $ of an equilateral triangle if side $a = \sqrt{ 133 }\, \text{mm}$.	2
399	Find the side $ a $ of an equilateral triangle if circumcircle radius $R = 171.5\, \text{mm}$ and incircle radius $r = 133\, \text{mm}$.	2
400	Find the side $ a $ of an equilateral triangle if side $a = 15\, \text{cm}$.	2