A right angle is 90 degrees and the 4 interior angles of a square and a rectangle are all right angles.
A right angle triangle
a right triangle
an obtuse angle
An obtuse triangle.
A right angle triangle
A right angle = 90o angle. So, number of right angles in a 720o shape = 720 / 90 = 8.
a 3 sided shape is a right angle triangle
A right angle triangle
an angle with a acute and right angle
A right angle triangle
a right angle triangle.
a right triangle
an obtuse angle
a cube
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A right angle triangle
A right angle triangle. (if it is a triangle)