Question

formula of all kinds of triangle​

Answer 1

Answer:

The formula of the area of all types of triangle- 1/2×b×h

hope it helps you

Answer 2

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The law of cosines generalizes the Pythagorean formula to all triangles. It says that c2, the square of one side of the triangle, is equal to a2 + b2, the sum of the squares of the the other two sides, minus 2ab cos C, twice their product times the cosine of the opposite angle.