Online Calculators > Math Calculators > Hypotenuse Calculator

# Hypotenuse Calculator

Hypotenuse calculator calculates the hypotenuse length from other known legs or angles for a right triangle.

## Hypotenuse of a Triangle Calculator

Known
Leg a
Leg b
Angle X ° (in Degree)
Angle Y ° (in Degree)
 Results Hypotenuse c 43.01 A right triangle is a triangle with one angle that is 90°, it's called a right angle. The two sides of the right angle are the leg, and the opposite side of the right angle is the hypotenuse. The hypotenuse is the longest side of a triangle, the other two sides should not be longer than it.

## Hypotenuse Formula

By known two legs, the hypotenuse is
c=√(a2+b2)

To find hypotenuse by giving a leg and its opposite angle:
c= asin(X) OR
c=bsin(Y)
this formula is derived from the law of sin formula which is:
asin(X)=bsin(Y)=csin(90°)
(sin90°=1)

By known a leg and angle
c=b/cos(X)
c=a/cos(Y)

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