1/4 x 90 = 22.5
rightangle
yes
1
3.25
The letter K. It has two acute angles, top and bottom between, the l and < and the inside angle of the < is a rightangle.
None
hypotenuse
by using rightangle triangle
22.5
22.5
22.5 degrees. Hope i helped
A right angle is 90 degrees. One fourth of a right angle is, therefore, 90/4 = 22.5 degrees.