1. Match up the following list of quadrilaterals with the diagrams below:
trapezium, isosceles trapezium, cyclic quadrilateral, kite, arrowhead, parallelogram, rhombus, rectangle, square.
(a) |
(d) |
(g) |
(b) |
(e) |
(h) |
(c) |
(f) |
(i) |
2. What is the name given to a quadrilateral in which:
(a) All sides are equal and interior angles are equal to 90°?
(b) One set of opposite sides are parallel?
(c) All interior angles are 90° and diagonals do not intersect at 90°?
(d) Diagonals intersect at 90° but no pair of sides are parallel?
3. Find the size of the angles marked by letters:
(a) Rhombus
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(b) Kite
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(c) Isosceles trapezium
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(d) Rectangle Also find the length of the diagonal, x (You may need some Year 10 trigonometry!) |