Triangle Calculator – Calculate Triangle Properties | Homtide

Homtide's Triangle Calculator is an easy-to-use tool that allows you to calculate various properties of a triangle, such as its area, perimeter, and side lengths. Whether you're working with right triangles, equilateral triangles, or scalene triangles, this tool simplifies geometry problems.

Triangle Calculator

Triangle Calculator - FAQs

What is a triangle?
What is the perimeter of a triangle?
How do you calculate the area of a triangle?
What is the Law of Cosines?
How do I calculate the angles of a triangle?
What are the types of triangles?
Can a triangle have angles greater than 180°?
What is the difference between a right triangle and an isosceles triangle?

Sine and Cosine Table

Angle (°)SineCosine
00.00001.0000
10.01750.9998
20.03490.9994
30.05230.9986
40.06980.9976
50.08720.9962
60.10450.9945
70.12190.9925
80.13920.9903
90.15640.9877
100.17360.9848
110.19080.9816
120.20790.9781
130.22500.9744
140.24190.9703
150.25880.9659
160.27560.9613
170.29240.9563
180.30900.9511
190.32560.9455
200.34200.9397
210.35840.9336
220.37460.9272
230.39070.9205
240.40670.9135
250.42260.9063
260.43840.8988
270.45400.8910
280.46950.8829
290.48480.8746
300.50000.8660
310.51500.8572
320.52990.8480
330.54460.8387
340.55920.8290
350.57360.8192
360.58780.8090
370.60180.7986
380.61570.7880
390.62930.7771
400.64280.7660
410.65610.7547
420.66910.7431
430.68200.7314
440.69470.7193
450.70710.7071
460.71930.6947
470.73140.6820
480.74310.6691
490.75470.6561
500.76600.6428
510.77710.6293
520.78800.6157
530.79860.6018
540.80900.5878
550.81920.5736
560.82900.5592
570.83870.5446
580.84800.5299
590.85720.5150
600.86600.5000
610.87460.4848
620.88290.4695
630.89100.4540
640.89880.4384
650.90630.4226
660.91350.4067
670.92050.3907
680.92720.3746
690.93360.3584
700.93970.3420
710.94550.3256
720.95110.3090
730.95630.2924
740.96130.2756
750.96590.2588
760.97030.2419
770.97440.2250
780.97810.2079
790.98160.1908
800.98480.1736
810.98770.1564
820.99030.1392
830.99250.1219
840.99450.1045
850.99620.0872
860.99760.0698
870.99860.0523
880.99940.0349
890.99980.0175
901.00000.0000