Question | Answer |
Area | the number of square tiles that can fit on the inside of a shape |
Perimeter | the distance around the edge of a shape; pe(rim)eter |
Complementary Angles | two angles that total 90 degrees when added together |
Supplementary Angles | two angles that total 180 degrees when added together |
Right Scalene Triangle | a triangle with one right angle and two acute angles. three sides with different lengths and three angles with different measures. |
Right Isosceles Triangle | a triangle with one right angle and two acute angles. two equal sides and two equal angles. |
Acute Equilateral Triangle | a triangle with three acute angles each measuring 60 degrees and three equal sides |
Acute Isosceles Triangle | a triangle with three acute angles. two equal sides and two equal angles. |
Acute Scalene Triangle | a triangle with three acute angles. three sides with different lengths and three angles with different measures |
Obtuse Isosceles Triangle | a triangle with one obtuse angle and two acute angles. two equal sides and two equal angles. |
Obtuse Scalene Triangle | a triangle with one obtuse angle and two acute angles. three sides with different lengths and three angles with different measures. |
Square | four equal sides. four 90 degree angles |
Rhombus | four equal sides. opposite angles equal. |
Rectangle | four 90 degree angles. opposite sides equal. |
Parallelogram | two sets of parallel sides. opposite sides equal. opposite angles equal. |
Trapezoid | one set of parallel sides. |
Polygon | a shape with no gaps. made of straight lines. |
Sum of Angles in a Triangle | 180 degrees |
Sum of Angles in a Quadrilateral | 360 degrees |
Area Formula for a Square | s x s |
Area Formula for a Rectangle | l x w or b x h |
Area Formula for a Parallelogram | b x h |
Area Formula for a Triangle | b x h / 2 |
Area Formula for a Trapezoid | (base one + base two) x h / 2 |
Base | flat bottom side that shape sits on |
Height | straight line from top of shape to the bottom. makes right angle with base. |