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Recognised as 2D shape

Right triangle with legs 15 and 20

  • Right triangle
  • hypotenuse 25
  • Pythagorean triple

A right-angled triangle with legs of 15 and 20 has a hypotenuse of 25 by Pythagoras' theorem, an area of 150 square units, and acute angles of 36.87° and 53.13°.

Measurements

252015
Leg a15
Leg b20
Hypotenuse25√(a² + b²)
Area150ab/2
Perimeter60
Angle opposite a36.869898°
Angle opposite b53.130102°
Pythagorean tripleYes: 15, 20, 25
Inradius5
Circumradius12.5half the hypotenuse

Formulas used

Hypotenusec = √(a² + b²)
AreaA = ab/2

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Every value on this page was computed from “right triangle 15 20” by Nerdulator’s geometry engine. Nothing here was retrieved from a database of answers or written by a model.