Triangle Area from Two Sides
Result
Calculated result
12.9903810568
Based on the values entered.
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Triangle Area from Two Sides — free online calculator.
Formula
0.5*s1*s2*sin(theta_deg*pi/180)
- Triangle Area from Two Sides calculates its result from Side 1, Side 2, Included angle (deg). It uses the formula 0.5*s1*s2*sin(theta_deg*pi/180). Change any input to recalculate the result instantly.
- The main inputs are Side 1, Side 2, Included angle. Enter them in the units and format shown in the calculator.
- Keep comparable quantities in compatible units whenever the formula combines or compares them.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Triangle Area from Two Sides
Inputs
- Side 1: 5
- Side 2: 6
- Included angle: 60 deg
Using Side 1 = 5, Side 2 = 6, Included angle (deg) = 60, the calculated result is 12.9903810568.
Sample result: Calculating…
Frequently asked questions
What does the Triangle Area from Two Sides calculate?
Triangle Area from Two Sides — free online calculator.
Which values should I enter?
Enter Side 1, Side 2, Included angle using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: 0.5*s1*s2*sin(theta_deg*pi/180).
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.