In the diagram, PQST and QRST are parallelograms. Calculate the area of the trapezium PRST.

  • A 60cm2
  • B 50cm2
  • C 40cm2
  • D 30cm2
waec 1999mathematics

The correct answer is D. 30cm2

PR = 4 + 4 = 8 cm

Area of trapezium = \(\frac{1}{2} (a + b) h\)

= \(\frac{1}{2} (4 + 8) \times 5\)

= 30 cm\(^2\)

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