shapes
shapes with no sides or angles
what is circle?
angles that measures 90 degrees
what is right angle
an infinite amount of points together
what is line
a solid shape with 6 faces
what is a cube
formula for perimeter of a rectangle
what is
P = 2L + 2W
shape with 3 sides
what is triangle?
what is acute angle
a part of a line with 2 end points
what is line segment
a solid shape with one circular base and one vertex
what is cone
formula for area of a rectangle
what is
A = L × W
shape with 4 sides and 4 right angles
what is square?
angle larger then 90 degrees but but less then 180 degrees
what is obtuse angle
lines on top of each other that never meet
solid shape with two parallel circular bases
what is cylinder
formula for area of a triangle
what is
A = ½ × base × height
shape with 5 sides
what is pentagon
angle that meausres exactly 180 degrees
what is straight angle
lines that cross at a certain point
what is intersecting lines
solid shape with one circular base that comes to a point
what is cone
formula for circumference of a circle
what is
C = 2πr or C = πd
what is hexagon
angle more then 180 degrees but less then 360 degrees
what is reflux angle
lines that make a right angle when they cross
what is perpendicular lines
a solid shape where all points are equal distance from the center
what is sphere
formula for area of a circle
what is
A = πr²