180 Degrees
If you mean the capital letter "F" there is 3.
The letter 'H' has 8 angles. Each of the two vertical lines has two right angles, and the horizontal line has four angles (two acute angles and two obtuse angles). So, altogether, the letter 'H' has 8 angles.
A 4 sided polygon is called a quadrilateral. Depending on where the two right angles are, would put the quadrilateral into different subsets. For example if the two right angles are on adjacent corners (and the other 2 angles are not right angles), then it is a trapezoid. If the 2 right angles are in opposite corners, and the other 2 angles are not right angles then it would be a kite-shaped quadrilateral.
Two. Two acute angles in a right triangle.
eight 360/90 x 2 = 4 x 2 = 8
TWO.
An obtuse triangle can have no right angles, and has two equal angles.
A trapezoid can have either none or two right angles.
The square has four right angles. The pentagon has two right angles.
3
A rhombus will either have four right angles, or two acute angles and two obtuse angles.
At most two.
There are 225 degrees in 2 and 1/2 right angles
None or two.
Two.
Two.