# Module 1 Question

Topics: Triangle, Angle, Right triangle Pages: 35 (4800 words) Published: January 4, 2013
1

Module One

1. What is the tangent of 90o?
# a) Positive infinity
b) Negative infinity
c) 0

2. A cuboid has dimensions of 4 cm, 6cm and 12 cm. What is its volume? A) 2.88 m3
B) 0.028 m3
# C) 0.000288m3

3. Work out the following sum: 4 {2 (5 – 1) – 3} + 8
a) 37
# b) 28
c) 54

4. 100000 in binary is what number in decimal?
a) 16
# b) 32
c) 64

5. D in hexidecimal is what number in decimal?
a) 8
# b) 13
c) 17

6. In the following equation what is the y-intercept? 4y = 2x + 8 a) 4
# b) 2
c) 8

7. Two angles of a triangle are 68 o and 32 o. Therefore the third angle must be a) 63o
b) 114o
# c) 80o

8. Solve the following equation to find x
4x + 8y = 64
2x – 8y = 86
a) 5
# b) 25
c) 125

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9. Simplify the following
(w + z)(x – y)(y – w)
(y – x)(w – y)(w + z)
# a) +1
b) -1
c) 0

10. 101012 + 110012 =
a) 462
b) 468
# c) 4610

11. Which of the following formulae are correct for the triangle shown?

[pic]
# a) C2 = A2 + B2
b) B2 = C2 + A2
c) A2 = C2 + B2

12. A rectangle 11cm x 120cm. What is its area in m2
a) 1320
b) 13.2
# c) 0.132

13. What is 738 in binary coded decimal?
a) 111100010
b) 1011100010
# c) 11100111000

14. If a wheel of radius R revolves ½ a turn, how many radians does it turn through? a) 2p radians

15. If there are two similar angles in a right triangle, these angles are # a) complementary
b) supplementary
c) subordinate

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16. The surface area of a cone whose flat is 10 cm and diameter is 8 cm is a) 80 p
# b) 40 p
c) 120 p

17. (A + B)4 is
(A + B)2
# a) (A + B)2
b) A + B
c) (A + B)6

18. An equilateral triangle has
a) 2 equal sides
b) no equal sides
# c) 3 equal sides

19. 4 3/8 – 2 1/4 + 1/8 =
a) 2 1/8
b) 2 1/2
# c) 2 1/4

20. 11/16 + 5/8 =
a) 55/128
# b) 21/16
c) 10/11

21. Given 43 - x = 21, find the value of x
# a) 43 - 21
b) 43 + 21
c) 43 / 21

22. ¾ multiplied by 0.82 is equal to
a) 1.23
# b) 0.615
c) 2.46

23. 7/6 can be expressed as
a) 2.6
b) 1.6
# c) 1.166

24. The ratio of 6:5 can be expressed as
a) 20: 25
# b) 24: 20
c) 10: 16

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25. 143 can be expressed as
a) 14 x 3
# b) 14 x 14 x 14
c) 14 + 14 + 14

26. 0.0000413 can be written as
# a) 413 x 10-7
b) 0.413 x 10-7
c) 4.13 x 10-7

27. 5/8 + 3/4 =
a) 11/4
# b) 11/8
c) 8/8

28. The LCD for the problem 1/6 + 1/5 + 1/17 + 1/2 is
a) 1020
b) 17
# c) 510

29. The formulae for calculating the area of a right angled triangle is a) ½ height + base
b) ½ base / height
# c) ½ (base x height)

30. The area of a circle whose circumference is given as 12cm is approximately # a) 11.3 sq. cm
b) 3.8 sq. cm
c) 38 sq. cm

31. Area of a right circular cone is
# a) p x r x l
b) (p x r x l) + 2 p x r x r
c) 2/3 (p x r x l)

32. log 9 - log 3 =
# a) log 3
b) log 6
c) log 9

33. The three angles of a triangle summed together equal
a) 90°
# b) 180°
c) 360°

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34. In a right-angled triangle the other two angles are both 45°. The length of the opposite side can be calculated by # a) sin 45° x length of the hypotenuse side of the triangle b) cos 45° x length of the adjacent side of the triangle c) sin 45° x length of the adjacent side of the triangle

35. Given that a = X + B, what is y...