Recognised as 2D shape
Right triangle with legs 3.5 and 12
- Right triangle
- hypotenuse 12.5
A right-angled triangle with legs of 3.5 and 12 has a hypotenuse of 12.5 by Pythagoras' theorem, an area of 21 square units, and acute angles of 16.26° and 73.74°.
Measurements
Leg a3.5
Leg b12
Hypotenuse12.5√(a² + b²)
Area21ab/2
Perimeter28
Angle opposite a16.260205°
Angle opposite b73.739795°
Pythagorean tripleNo, the hypotenuse is irrational
Inradius1.5
Circumradius6.25half the hypotenuse
Formulas used
Hypotenusec = √(a² + b²)
AreaA = ab/2
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