Paper 2 Higher - Sample Assessment Q9 Answers
9) ABCD is a rectangle.
EFGH is a trapezium
EFGH is a trapezium
All measurements are in centimetres.
The perimeters of these two shapes are the same.
Work out the area of the rectangle.
(5 marks)
The perimeters of these two shapes are the same.
Work out the area of the rectangle.
(5 marks)
Answers
Question |
Answer |
Notes |
9 |
203 |
P1 - translate into algebra for rectangle: 4x+4x+3x+4+3x+4 (=14x+8) or for trapezium: 5x+5x+x-3+7x-3 (=18x-6) P1 - equating: eg 18x-6=14x+8 (4x=14)A1 - solving for x: x=14/4 = 3.5 oe P1 - process to find area: “3.5” × 3+4 (ft) or “3.5” × 4 ft A1 - cao |