Scalene
A right angled scalene triangle
A right angles triangle, as one of the angles in the triangle is 90 degrees.
It depends what type of triangle it is but the degrees of a triangle always add up to 180 degrees.
obtuse scalene triangle
Obtuse triangle
As the third angle must be 42 degrees, it is a scalene triangle.
isocleles triangle
a right triangle.
An obtuse triangle
A right triangle
Obtuse triangle