Mensuration QuizOnline version Test your knowledge of mensuration with these 10 questions! by Ng Chun Thai 1 What is the formula for the area of a circle? a πr^2 b 2πr c πr d r^2 2 What is the formula for the area of a trapezium? a (1/2)(a + b)h b (1/2)abh c (a + b)h d (ah + bh)/3 3 What is the formula for the surface area of a cylinder? a 2πrh + 2πr^2 b πr^2 c 2πrh d πrh + πr^2 4 What is the formula for the volume of a cone? a πr^2h b (1/3)πr^2h c (2/3)πr^2h d (1/2)πr^2h 5 What is the formula for the area of a triangle? a (1/2)ac b ab c (1/3)ab d (1/2)ab 6 What is the formula for the volume of a rectangular prism? a 2lw + 2h b lwh c lw + h d l + w + h 7 What is the formula for the surface area of a cube? a 5a^2 b 6a^2 c 3a^2 d 4a^2 8 What is the formula for the perimeter of a quarter circle? a 2r b (1/4)πr^2 + 2r c (1/4)πr + 2r d (1/2)πr + 2r 9 What is the formula for the area of a rectangle? a l + w b lw c 2lw d l^2 + w^2 10 What is the formula for the volume of a cylinder? a 2πr^2h b 2πrh c πr^2h d πr^2 + h