Triangle Sides
A triangle with no equal side lengths is called what kind of triangle?
Scalene triangle
A triangle with three angles that are less than 90 degrees is called what kind of triangle?
Acute triangle
A right angle is what degree?
90 degrees
Two lines that intersect each other and form all right angles are called what?
Perpendicular lines
What is a shape that has 4 sides and two pairs of parallel sides.
Parallelogram
A triangle with two equal sides is called what kind of triangle?
Isosceles
A triangle with one angle that is greater than 90 degrees is called what kind of triangle?
obtuse triangle
A straight angle is what degree?
180 degrees
Lines that touch each other to form a vertex are called what?
Adjacent lines or angles
What has 4 sides, two pairs of parallel sides, and 4 equal length sides?
Rhombus
A triangle with all equal sides is called what kind of triangle?
Equilateral
A triangle with one angle that is exactly 90 degrees is called what kind of triangle?
right triangle
A circle is what degree?
360 degrees
Parallel lines
What has 4 sides, 2 pairs of opposite parallel lines, 4 right angles, and 4 equal length sides?
Square
Can a triangle have parallel lines?
Nope
Can a triangle have more than one obtuse angle?
No
A straight angle minus a right angle is what degree?
90 degrees
Two lines or sides that are across from each other are called what?
Opposite sides
What has 4 sides and one pair of opposite parallel sides?
Trapezoid
how many adjacent sides does a triangle have?
3
Can a triangle have more than one acute angle?
Yes
A circle minus a right angle is what degree?
270 degrees
Two lines that touch but do not form 90 degree angles are called...
Trick - they are just not special. No name for them
What has 4 sides, 2 pairs of opposite parallel sides, and 4 right angles
Rectangle