How to find the sides in a Right Angled Triangle?

Let’s assume the two sides of a Right Angled Triangle are given

So if the two sides of a right-angled triangle are known. Pythagorean theorem can determine the value.

a² + b² = c²

Let’s assumeGiven β: α = 90 — β and α: β = 90 — α

However, if only two sides of a triangle are provided. Trigonometry comes into play.

Some basic formulas are

In the case of α:

Fir sin(α) = a / c so α = arcsin(a / c) (inverse sine);

In the case of β:

sin(β) = b / c so β = arcsin(b / c) (inverse sine);

To solve a problem of a triangle with one side. The other must be non-right-angled triangles. The conditions are as follows.

These are basic ways to calculate the problems related to Right Angled Triangle.

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