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SEAMO 2020 — Paper C — Grade 5–6 Question 15

SEAMO · SEAMO 2020 — Paper C — Grade 5–6

Question 15

A quarter circle of radius $14$ cm contains two semicircles with diameters on its radii. Their intersection is shaded A and the region outside both is shaded B. Using $\pi=22/7$, which are true: (i) A has area $28\text{ cm}^2$; (ii) A has area $30\text{ cm}^2$; (iii) A and B have equal area; (iv) A is larger than B?

Question illustration
  1. (i) and (iii)
  2. (ii) and (iii)
  3. (ii) and (iv)
  4. (i) and (iv)
  5. (iii) and (iv)