What is this called?
A ray
How many sides does a quadrilateral have?
4
What makes a triangle equilateral?
all sides are equal in length
What type of angle is this angle?
Obtuse
We measure angles in ____? (think label)
degrees
The top edge and side edge of your book make an angle. What kind of angle is it?
a right angle
What is this triangle called?
Equilateral and acute triangle
Which is not always an attribute of a rectangle?
A. opposite sides are parallel
B. opposite sides are equal in length
C. all sides are equal in length
D. all angles are right angles
C. all sides are equal in length
True or False: A rhombus has to have all right angles?
False
What is this called?
Line Segment
What kind of triangle has 3 sides with different lengths?
scalene triangle
What type of angle is 90 degrees?
right angle
What is a triangle classified as when it has 2 sides of equal length?
Isosceles
Parallel lines cross at a 90 degree angle - True or False?
False
Two trains leave the subway station in opposite directions. What type of lines are they creating?
Parallel Lines
A triangle has at least _____ acute angles?
2
What is the perimeter of a rectangle with a width of 6cm and a length of 10cm?
32 cm
True or False? A rhombus has to have all equal sides
True
I am a fixed location on a line
A Point
What is the measurement of this angle? What kind of angle is this?
75 degrees, acute
How many degrees are in a straight angle?
180 degrees
A square has one side that is 12 cm long. What is the AREA of the square?
144 square cm
True or False: A square has to have all right angles
True
What are lines that intersect at an angle of 90 degrees
Perpendicular lines
I can be any type of Quadrilateral, but other quadrilaterals can't be me. What am I?
square