1. The space below is machine workshop measuring 25m x 18m. Building bye-laws require it to be provided with daylight and ventilation openings amounting to 20% and 5% of the floor area respectively 25m 20M a) Find the floor area of the workshop b) What is the minimum size in m, of the daylight and ventilation openings required? c) If it costs P30/m to floor the workshop, what is the total cost of flooring the whole workshop? 2. If the area ratio for two similar rectangular plots is 1/25, what is the ratio of their lengths? 3. Two circles have their radii 4cm and xcm. If the area ratio of the two circles is 1/4 find the value of x. 4. 5. i) Draw a trapezium ABCD, with AB//CD and AB=8cm and CD=11cm. If the perpendicular of AB to CD is 6cm, calculate the area of the shape. a) Find the gradient of the following lines: (0, 5) (8; 0) X