1989 - WAEC Mathematics Past Questions and Answers - page 2
Instead of recording the number 1.23cm of the radius of a tube, a student recorded 1.32cm. Find the percentage of error, correct to one decimal place.
In the diagram above, ∠SPR = P and ∠SQR = 2x. Find x in terms of P
In the diagram above ABDE and FCDE are parallelograms. If |FC| = 12.2cm and the height |PC| = 4.0cm, calculate the area of the parallelogram ABDE.
Using the above graph, if 10o < x < 60o, what is the value of x for which sin x = cos x?
The venn diagram below shows the number of students who studied Physics, Chemistry, and Mathematics in a certain school. How many students took at least two of the three subjects?
An arc of a circle radius 7cm is 14cm long. What angle does the arc subtend at the center of circle?
[Take π = 22/7]
If twice a certain integer is subtracted from 5 times the integer, the result is 63. Find the integer.
If 3\(^y\) = 243, find the value of y.
Points X and Y are respectively 20km North and 9km East of a point O. What is the bearing of Y from X? Correct to the nearest degree
In the diagram above, O is the center of the circle. Calculate the length of the chord AB if |OA| = 5cm, |OD| = 3cm and ∠AOD = ∠BOD