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Triangle Calculator
Find a triangle's angles, area, perimeter and type from its three side lengths.
Tip from Tink: A 3-4-5 triangle is always a right triangle.
Area
6
Perimeter
12
Angles A / B / C
36.87° / 53.13° / 90°
Type
Scalene, right
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How to use the Triangle Calculator
- Enter all three sides.
- Read the angles, area and triangle type.
Everything runs in your browser. Nothing you enter is uploaded.