Question 426165
 <pre><font face = "Tohoma" size = 4 color = "indigo"><b>
Hi
It is a right triangle as the lengths of the sides satisfy the Pythagorean Theorem
 10 + 10 = 20
{{{drawing(300,300,   -6, 6, -6, 6, grid(1),
circle(-2, 2,0.3),
circle(-1, -1,0.3),
line(-2,2,-1,-1),
line(-2,2,-4,-2),
line(-1,-1,-4,-2),
circle(-4, -2,0.3),
graph( 300, 300, -6, 6, -6, 6))}}}