### Lines and Triangles

goals
Identify the angles given in the figure.
Assume that $\displaystyle AB\parallel CD$ and EF is transversal.
In any right triangle, the hypotenuse is .......... than any one of the other sides, but less than their sum.
In fig find the values of $x$ and $y$ and then show that $AB \parallel CD$
_____ condition is not considered for the similarity of triangle.
Find the complement of $0^o$: