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YR 9 last MATH test
Question | Answer |
---|---|
Properties and definition of a scalene triangle | 3 sides all different lengths and angles are all different |
Properties and definition of a Isosceles triangle | One pair of sides equal, one pair of angles same, top vertex to the midpoint of the bottom side should meet at 90 angles on both sides. |
Properties and definition of an equilateral triangle | all 3 sides equal lengths, all angles 60 degrees. same properties as isosceles |
perpendicular | two lines which intersect at a right angle |
perpendicular bisector | the line which cuts another in half at a right angle |
trapezium | one pair of opposite parallel sides |
parallelogram | two pairs of opposite parallel sides, opposite angles same size, opposite sides equal length, diagonals bisect eachother. |
kite | 2 pairs of adjacent sides are equal length, one pair of opposite angles are the same size, |
rectangle | all angles 90 degrees, diagonals equal length, lines joining midpoint of opposite sides are lines of symmetry, two pairs of sides of equal length. |
rhombus | all sides are equal length |
square | all sides are equal length and all angles 90 degrees. |