WAEC Mathematics 2023 Questions and Answers Free Expo Essay & Obj

WAEC Mathematics Questions and answers 2023

WAEC Mathematics 2023 Question and Answers: This page contains the WAEC Mathematics Objective and Theory (Essay) Questions and Answers for the 2023 West African Senior School Certificate Examination (WASSCE).

The WAEC Mathematics will be written 2023 at 8:30am – 11:00pm, Mathematics – Theory & OBJ.

For more WAEC subjects questions and answers you can check this website, you’ll also find the available tutorial for WAEC, NECO and JAMB.

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Useful Mathematics Formulas

Perimeter of a square: s + s + s + s
s:length of one side

Perimeter of a rectangle: l + w + l + w
l: length
w: width

Perimeter of a triangle: a + b + c
a, b, and c: lengths of the 3 sides

Area:

Area of a square: s × s
s: length of one side

Area of a rectangle: l × w
l: length
w: width

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Area of a triangle: (b × h)/2
b: length of base
h: length of height

Area of a trapezoid: (b₁ + b₂) × h/2
b₁ and b₂: parallel sides or the bases
h: length of height

volume:

Volume of a cube: s × s × s
s: length of one side

Volume of a box: l × w × h
l: length
w: width
h: height

Volume of a sphere: (4/3) × pi × r³
pi: 3.14
r: radius of sphere

Volume of a triangular prism: area of triangle × Height = (1/2 base × height) × Height
base: length of the base of the triangle
height: height of the triangle
Height: height of the triangular prism

Volume of a cylinder:pi × r² × Height
pi: 3.14
r: radius of the circle of the base
Height: height of the cylinder

NB: There will be two papers, Papers 1 and 2, both of which must be taken.

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PAPER 1: Will consist of fifty multiple-choice objective questions, drawn from the common areas of the syllabus, to be answered in 1½ hours for 50 marks.

PAPER 2: Will consist of thirteen essay questions in two sections – Sections A and B, to be answered in 2½ hours for 100 marks. Candidates will be required to answer ten questions in all.

To get WAEC Mathematics 2023 questions and answers click  HERE to get

Section A – Will consist of five compulsory questions, elementary in nature carrying a total of 40 marks. The questions will be drawn from the common areas of the syllabus.

Section B – Will consist of eight questions of greater length and difficulty.  The questions shall include a maximum of two which shall be drawn from parts of the syllabuses which may not be peculiar to candidates’ home countries. Candidates will be expected to answer five questions for 60marks.

WAEC Mathematics 2023 Questions and Answers Objective and Essay

13a) Area=2πr²+2πrh

=> Area=2πr(r+h)

=> r+h=Area/(2πr)

=> h=(Area/(2πr))-r

r=d/2

given that area=209cm² and d=7cm and π=22/7

=> r=7/2=3.5cm

=> h=(209)/(2×22/7×3.5) -3.5=(209/22)-3.5

=> h=6cm

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