Polygons
What is the name of the shapes that have four sides?
Quadrilateral
What do all 3 interior angles add to?
180'
What rule has these angles form a 'Z' shape on parallel lines?
"Alternate angles" rule.
Name the shape if interior angles are 60'?
Equilateral triangle
What's a line that cuts a circle in half called?
Diameter
What shape has 5 sides?
Pentagon
Name this rule: "Sum of the interior opposite angles equal the exterior angle."
"Exterior angle of a triangle."
Name the shape if interior angles are 108'?
Regular pentagon
What is the formula for finding the circumference of a circle?
What shape has six sides?
Hexagon
What type of triangle has two equal angles?
Isosceles
How many sides does a rhombus have?
4
What's the formula for finding the area of a circle?
A = pie * r2
What shape has 7 sides?
Heptagon
What of a square, rectangle, kite, parallelogram, rhombus?
quadrilateral
What's the name given to part of the circumference?
Arc
What shape that has 8 sides?
Octagon
What's the name of a line that crosses two parallel lines?
"Transversal"
What is the formula for finding the area of a trapezium?
A = [(a+b) /2] * h
Two lines drawn from either end of the diameter to meet at the circumference always has the same angle. What's the angle?
90'