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How can you find a missing side or angle of a right triangle?
180 minus two known angle = missing angle. Use Pythagoras' theorem to find its missing side.
What is SAS Congruence Theorem?
The side-angle-side congruence theorem states that if you know that the lengths of two sides of two triangles are congruent and also that the angle between those sides has the same measure in both triangles, then the two triangles are congruent.
Pythagorean theorem to find the length of the side marked withy an x in the right triangle?
The Pythagorean Theorem states that a2 + b2 = c2, where c is the longest side (opposite the right angle). Replace the sides you know, and solve for the other side.
Length of third side of triangle?
for known 2 sides and included angle, use cosine theorem a2=b2+c2-2bc cos(angle A) for right-angled triangles, use Pythagoras's theorem a2+b2=c2
In HA theorem stand for hypotenuse and?
In the HA theorem A stands for angle. HA is a specific case of ASA, because if you know the angle A, then the other angle is (90-A).
