WAEC Mathematics Past Questions & Answers - Page 229

1,141.

In the diagram, CDE is a triangle, ABEF is cyclic quadrilateral, AB||CD, ∠BAF = 65o and ∠AFE = 85o calculate ∠CDE

A.

20o

B.

30o

C.

50o

D.

65o

Correct answer is B

No explanation has been provided for this answer.

1,142.

The sides of a right angle triangle in ascending order of magnitude are 8cm, (x-2)cm and x cm. Find x

A.

16

B.

17

C.

34

D.

90

Correct answer is B

\(8^2 + (x - 2)^2 = x^2\\
64 + x^2 - 4x + 4 = x^{2}\\
x^2 - 4x + 68 = x^2\\
-4x = -68\\
-x = \frac{-68}{4} = 17\)

1,143.
1,144.

Which of the following statements is true from the diagram above?

A.

m + n = 90o

B.

m = n

C.

n > 45o

D.

m < 45o

Correct answer is A

No explanation has been provided for this answer.

1,145.

Describe the locus L shown in the diagram below

A.

Locus of points equidistant from X and Y

B.

Locus of points equidistant from X and Z

C.

Locus of points equidistant from \(\bar{ZX}\) and \(\bar{ZY}\)

D.

Locus of points equidistant from \(\bar{XY}\) and \(\bar{ZY}\)

Correct answer is C

No explanation has been provided for this answer.