QUESTION 3 AREA AND PERIMETER 3.1 Calculate the perimeter of a rectangle if the length is 15 cm and the breadth is 7 cm. (2) 3.2 Write down the formula for the surface area of a cube. (1) 3.3 The floor of a room 4,5 m by 3,75 m has to be covered with square carpet tiles with sides equal to 750 mm. Calculate:   3.3.1     The area of the floor in m2. (2)   3.3.2     The area of a tile in mm2. (2)   3.3.3     The number of tiles you will need to cover the floor. (2) 3.4 Calculate the area of the following shape. (draw sketches to show how you divided it up):     Right click to open the diagram in a new tab.  (5)   TOTAL Please draw a line before you start with the next question.

QUESTION 2 Properties of 2D shapes Match Column A with Column B. Write only the question number and the correct letter.   Column A Column B 2.1     All sides equal and all angles equal A)     Rectangle 2.2     Two pairs of opposite sides parallel B)     Rhombus 2.3     Two pairs of adjacent sides equal C)     Square 2.4     Only one pair of opposite sides parallel D)     Kite 2.5     Two pairs of opposite sides equal and all interior angles            are equal to 90° E)     Parallelogram F)     Trapezium (5)   TOTAL Please draw a line before you start with the next question.  

QUESTION 5 Similarity and Congruency 5.1 Look at this pair of shapes. Are they similar or congruent? Show all calculations to motivate your answer. (4)   Right click to open the diagram in a new tab.   5.2 Are △ABC and △JKL congruent? Give a reason for your answer. (2)   Right click to open the diagram in a new tab.   5.3 Write down whether each pair of triangles given below is congruent, similar or neither. Give a reason for your answer using calculations if necessary.     Right click to open the diagram in a new tab     5.3.1 Triangles in figure 1 are: __________ (2)   5.3.2 Triangles in figure 2 are: __________ (4)   TOTAL Please draw a line before you start with the next question.

Which of the following is not a known hotspot?

 Suppose that you are interested in examining if it is true that on average men earn more than $30.00 a day more than women in certain entry level positions in technical fields.  If sample data show that 80 men earned on average  $353.78 a day with a standard deviation of $18.03, while 80 women earned on average $315.14 a day with a standard deviation of $21.22 with a standard deviation of $21.33, conduct a hypothesis test at the .01 level of significance. 

A confidence interval for a population mean has a margin of error of  3.4 What is the length of the confidence interval? If the sample mean is 52.8 obtain the confidence interval.    

Which of the following statements about the Pacific Ocean is TRUE?

Oxygen comprises about ________ percent of the Earth’s present atmosphere.

The ocean floor can be divided into three provinces, of the three, which is the shallower water areas?

Older lithosphere is destroyed in association with: