Quiz

Grade 8: Measures: circles, area and volume

10 questions with solutions for grade 8: time, circumference and arc length, area of parallelograms, triangles, trapezia, rhombi and circles, prisms and pyramids.

Type the number or choose the right answer. When you finish, click Check answers and see the solutions.

1. 2.5 hours = ? minutesEnter a number only

2. The circumference of a circle with radius 7 cm (π ≈ 22/7) in cm?Enter a number only

3. The length of a 90° arc on a circle of radius 14 cm (π ≈ 22/7) in cm?Enter a number only

4. A parallelogram with base 12 cm and height 5 cm. Area in cm²?Enter a number only

5. A triangle with base 10 cm and height 7 cm. Area in cm²?Enter a number only

6. A trapezium with bases 9 cm and 5 cm and height 6 cm. Area in cm²?Enter a number only

7. A rhombus with diagonals 10 cm and 8 cm. Area in cm²?Enter a number only

8. The area of a circle with radius 10 cm (π ≈ 3.14) in cm²?Enter a number only

9. The surface area of a cube with edge 5 cm in cm²?Enter a number only

10. A pyramid with base area 36 cm² and height 10 cm. Volume in cm³?Enter a number only