MCO Assessment Mathematics Form 2

1. Which of the following three-dimensional shape do not have a curved surface? Cone Prism Cylinder Sphere 2. State the total sum of all interior angles of a 7 sided polygon. 900 1 260 1 800 2 520 3. Given the perimeter of a regular hexagon is 18 cm. Find the length, in cm, of each side. 2 2.5 3 3.5 4. Diagram 1 shows a circle. Region CDE is Segment Arc Major sector Minor sector 5. Which of the following is not a regular polygon? A B C D 6. Diagram 2 shows a circle inside a square. Find its total surface area, in cm2, of the shaded part. [use π = 22 3.91 3.84 3.81 3.78 7. Diagram 3 shows a right prism.State the number of faces of the right prism. 3 4 5 6 8. Diagram 4 shows a sector of a circle with the radius of 10 cm. Calculate the perimeter, in cm, of the sector. 11.87 cm 21.87 cm 31.87 cm 41.87 cm 9. Diagram 5 consists of a regular pentagon and a regular hexagon.Find the value of x. 120 132 136 144 10. Diagram 6 shows a cone. Find its total surface area, in cm2. [use π = 22 374 748 1 122 1 540 11. Complete the table to show the properties of a cylinder. Number of curved faces of a cylinder Number of flat faces of a cylinder 1 2 12. Match the polygon with its number of sides. Hexagon Six Octagon Eight Decagon Ten Heptagon Seven 13. Diagram 7 shows a pentagon. Identify the interior and exterior angles of the pentagon. Answer:(i) Interior angle: n(ii) Exterior angle: m, k 14. State whether the following statements is TRUE or FALSE. Answer:(i) The sum of the exterior angles of a polygon is 180 ( FALSE )(ii) The sum of the interior angles of a polygon depends on its number of sides. ( TRUE ) 15. Label the parts of the circle. Radius Chord Circumference 16 (i) Aidil draws a regular polygon with 7 axes of symmetry. Answer:Name the polygon: Heptagon 16 (ii) Mei Mei draws a 15 sided polygon. Find the number of triangles that can be formed in the polygon and hence, state the total sum of the interior angles of the polygon. Answer:(a) Number of triangles:13(b) Total sum of interior angles: 2 340 17 (i) Diagram 8 shows a circle with centre O. KOM is a straight line.Based on Diagram 8, state the correct answer. Answer:Diameter of the circle: KM 17 (ii) Diagram 9 shows a circle with centre O.Given PQ = 8cm and QS = 4cm, find the length, in cm, of(a) OQ,(b) PQR Answer:(Show your working. You have maximum of 8 lines) 18. Diagram 10 shows a composite solid consisting of a cone and a cylinder. Find the total surface area, in cm2, of the solid.[use π = 22 Answer:(Show your working. You have maximum of 8 lines) 19. In diagram 11, PQU and RST are straight lines.Find the value of ∠QRS. Answer:(Show your working. You have maximum of 8 lines) 20. Diagram 12 shows the combination of two regular polygons.Find the value of m + n. Answer:(Show your working. You have maximum of 8 lines) 21. Diagram 13 shows two circles. O is the centre of the second circle.By using the letters on the diagram, write the answer in the answer space. Answer:(i) Minor segment : P(ii) Major sector : S