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

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

  • A.
    60cm2
  • B.
    50cm2
  • C.
    40cm2
  • D.
    30cm2
Correct Answer: Option D
Explanation

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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