A right angle triangle
Chat with our AI personalities
It is a right angle triangle because the 3rd angle has to be 90 degrees
It is a right angle triangle
A right triangle because all triangles equal 180 degrees. 180-60=120 120-30=90
A "30 60 90 triangle" has that weird name because those numbers are its three angles. It can't have any angle of "4". If a triangle has an angle of '4', then it's not a '30 60 90 triangle'.
A right triangle with a hypotenuse of 12cm and an angle 30 degrees has an opposite angle of: 60 degrees.