Triangle
Plane coordinates of vertices: K[11, -10] L[10, 12] M[1, 3] give Triangle KLM.
Calculate its area and its interior angles.
Calculate its area and its interior angles.
Correct answer:

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Our vector sum calculator can add two vectors given by their magnitudes and by included angle.
Cosine rule uses trigonometric SAS triangle calculator.
See also our trigonometric triangle calculator.
Pythagorean theorem is the base for the right triangle calculator.
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