Quadrilaterals
4
What do you call a triangle with all equal sides?
equilateral triangle
What makes a shape a polygon?
A closed shape with straight lines.
Draw a ray.
A point with a line and arrow in one direction.
What is a protractor used for?
To measure angles.
How many pairs of equal sides does a rectangle have?
2
The angles of a triangle equal ----- degrees.
180 degrees
Which is more specific: quadrilateral or rectangle?
Rectangle: it is a type of quadrilateral
Draw parallel lines.
Two lines that when drawn on forever will never touch. Like railroad tracks.
What shape is a protractor?
A half circle
True or False: All quadrilaterals have four right angles.
False
What do you call a triangle with one right angle?
Scalene
What shape is both a rhombus and a rectangle?
Square (It fits both definitions).
Draw a line segment.
A line with one point on each end. It is a part of line that goes on forever.
If an angle measures 90°, is it acute, right, or obtuse?
right
What is the difference between a rectangle and a rhombus?
A rectangle has right angles; a rhombus has equal sides but doesn't need right angles.
What do you call a triangle with all angles less than 90 degrees?
Acute Triangle
Is every square also a rectangle?
Yes, squares have all properties of rectangles.
Draw perpendicular lines.
The cross with 4 right angles. Like a cross.
If an angle measures 45°, is it acute, right, or obtuse?
acute
Which quadrilateral has exactly one pair of parallel sides?
trapezoid
What kind of triangle has one angle greater than 90 degrees?
Obtuse triangle
Which statement is true for every trapezoid.
It has one pair of parallel sides.
It has a right angle.
It has more than four sides.
It has one pair of parallel sides.
A trapezoid.
Where should the center point of the protractor go when measuring?
On the vertex.