## Saturday, 10 November 2012

### Try to answer this questions.

1. What is perimeter?
A     The total length of a shape
B      The total width of a shape
C     The total circumference of a shape
D     The product of length and width of a shape

2. If the perimeter of a square is 20 cm, find the length of each side.
A     4 cm                                        C     6 cm
B      5 cm                                        D     7 cm

3. A rectangle measures 4 cm in length and 3 cm in width. What is its perimeter?
A     6 cm                                        C     12 cm
B      8 cm                                        D     14 cm

4. What is the length of each side of an equilateral triangle which has a perimeter of  21 cm ?
A     6 cm                                        C     8 cm
B      7 cm                                        D     9 cm

5. The volume of a solid is
A     the total surface of the object
B      the total space occupied by the object
C     the circumference of the object
D     the space occupied by the surface of the object
6. The volume of a cube with sides of 1 unit is
A     1 unit                                      C     1 unit3
B      1 unit2                                     D     3 unit3

7. The volume of a cube can be found by using the formula
A     length × breadth × height       C     length × height
B      length × breadth                     D     area of triangle × height

8. The unit of cm3 is read as
A     cubic centimetre                             C      square centimetre
B      three times of cubic centimetre      D      unit centimetre

9. A cubic box measuring 20 cm on each side is filled with smaller cuboids measuring 1 cm in width, 2 cm in height and 4 cm in length. Calculate the number of cuboids that can fit into the box.
A     500                                         C     1 500
B      1 000                                      D     2 000

10.  If the total volume of a 2-m cube and a cuboid is 80 m3, what is the volume of the cuboid?
A     27 m3                   B      52 m3
B      30 m3                   D     72 m3

Luas

### Contoh Bentuk 3-D

kubus (cube)
kuboid (cuboid)

silinder (cylinder)
kon (cone)

piramid (pyramid)
sfera (sphere)

### Identiti 2-D

Kubus (cube)
Kuboid (cuboid)
Segitiga (triangle)
Bulatan (circle)
Bujur (oval)