Angles, Lines, and Rays
This angle is between a right angle and a straight angle!
Obtuse angle!
This quadrilateral has four equal sides and four right angles.
Square!
Figure A on the board has what kind of lines?
Parallel lines!
Which type of triangle has two sides that form a square corner?
What kind of triangle is Figure B?
Acute triangle!
This figure has only one end point.
Ray!
This quadrilateral has 4 equal sides, 2 acute angles, and 2 obtuse angles.
Rhombus!
What kind of lines cross to make 4 right angles?
Perpendicular lines!
What kind of triangle is Figure E?
Right triangle!
What has two end points with a line between them?
Line segment!
This angle can form a square corner.
Right angle!
This quadrilateral has two pairs of parallel sides and four right angles.
Rectangle!
What kind of lines never touch?
Parallel lines!
How many acute angles must an acute triangle have?
3 acute angles!
What shape is Figure G?
Parallelogram!
This angle is less than 90 degrees.
Acute angle!
This quadrilateral has 2 pairs of parallel sides, 2 sets of sides with equal lengths, 2 acute angles and 2 obtuse angles.
Parallelogram!
What kind of lines cross at exactly one point?
This triangle has two acute angles and one obtuse angle.
Obtuse triangle!
How many sets of parallel lines does Figure G have?
2 sets of parallel lines!
What kind of angle is Figure C?
Obtuse!
This quadrilateral has only one set of parallel lines and no right angles.
Trapezoid!
What kind of lines are Figure D?
Intersecting lines!
What kind of triangle is Figure F?
Obtuse triangle!
What angle forms a line?
Straight angle!