Mathematics Past Questions and Answers

Find the area of an equivalent triangle of side 16cm

A 64√3cm²
B 72√3cm²
C 96cm²
D 128√3cm²
E 128cm²

Question 222:

In the diagram above, PQ and XY are two concentric arc; center O, the ratio of the length of the two arc is 1:3, find the ratio of the areas of the two sectors OPQ and OXY

A 1:3
B 1:6
C 1:9
D 2:3
E 4:9

Question 223:

In the diagram above , |AD| = 10cm, |DC| = 8cm and |CF| = 15cmIf the area of triangle DCF = 24cm², find the area of the quadrilateral ABCD.

A 24cm²
B 48cm²
C 80cm²
D 96cm²
E 120cm²

Question 224:

In the diagram above , |AD| = 10cm, |DC| = 8cm and |CF| = 15cm. Which of the following is correct?

A Area BCF = Area DCF
B Area ADE = Area ADF
C Area ADE = Area DCFE
D Area CBF = Area DABC
E Area DABO = Area CFEO

Question 225:

Simplify :
(i) \(2\frac{2}{3} - (2\frac{1}{2} - 1\frac{4}{5})\)
(ii) \(\frac{3.25 - 1.64}{2.47 - 2.01}\)