Maths Module 4 - The Curriculum Project

Part 2 - Answers
The total mark for each question is given on the right hand side of the page. Tell students to use
π = 3.14 when needed. If there are no calculators then students can leave their answers to 16 b), 17 b)
and 18 as trigonometric formulae.
4 marks
1. AF, BD, CH, EG
a) 86.625 m 3 b) 119.5 m 2 2 marks
2. a) y = 2.7 b) q = 4.2, r = 5.88 c) x = 6 d) p = 25.2
5 marks
3.
a) Alternate angles and vertically opposite angles are equal so interior angles all match 3 marks
b) x = 1.6, y = 4.48
4.
a) AXY and ABC b) One interior angle is shared, the other two are corresponding 4 marks
c) 1.9125 d) 1.788
5. 6.
2 marks
a)
4 marks
b) Rotation 180 o about (0,1)
7.
2 marks
8.
a)
3 marks
b) y = x + 1
c) 90 o clockwise rotation about (-1,0)
9.
2 marks
10.
Check the students’ constructions for accuracy.
4 marks
11.
Maths Module 4 : Geometry and Trigonometry, Teacher’s Guide - page 39