Right triangles are special by themselves, but there are two magical types of right triangles that we think deserve mentioning: 454590 triangles and 306090 triangles. No, those aren't their bust and waist measurements. We classify them based on their angles since angles are what determine similarity.
Find the value of d.

Find the value of x.

Find the value of y.

Find the values of x and y.
Find the values of x and y.
Find the values of x and y.
Find the perimeter of the figure.
Find the value of x.
Find the perimeter of the largest triangle.
Find the values of x and y.
∆ABC is a Gandalf (454590) triangle with the 90° angle at A. Find the coordinates of A in quadrant I if given the following coordinates: B (5, 1) and C (4, 10).