##### Across

**3.**Over 90 degrees but less than 180**9.**Less than 90 degrees**10.**Lines that never meet**11.**An triangle which its greatest angle is greater than 90 degrees**13.**Angles on the inside of a traversal/polygon**15.**2 opposing angles on a traversal**17.**When 2 lines met at 90 degrees**18.**Parallel lines having a line through them**19.**180 degrees**20.**A triangle with 2 sides the same**21.**90 degrees

##### Down

**1.**When both angles add to 180**2.**Same angle but different places**4.**When two lines intersect they form two pairs of _______ angles**5.**When both angles add to 90**6.**When 2 line segments**7.**A triangle**8.**An triangle which its greatest angle is equal to 90 degrees**9.**An triangle which its greatest angle is less than 90 degrees**12.**A triangle with all sides the same**14.**When 2 line cross**16.**When a line moves both vertical and horizontal