Mathematics, 15.06.2020 16:57 20171303
I. Choose the correct answer from the given alternatives
1. Which of the following is not an identity?
A. Sin2 + Cos2 = 1
B. Sin = tan. cos
C. 1 + cot2= cos2
D. 1 – sec2 = tan2
2. The exact value of cot (-8550) is ?
A. 2 B. 1 C. -1 D. 0
3. Which one of the following is necessarily true?
A. Any rectangle is a square
B. Any rhombus is a square
C. Any square is a rectangle
D. Any a parallelogram is a rhombus
4. If the two diagonals of the quadrilateral bisect each other, then
the quadrilateral is necessarily
A. Square B. rhombus C. parallelogram D. Rectangle
5. The angle of deperession of aPt A, as measured form the top of
abuilding 30m tall is 450, how far is A from the basc of the
building?
A. 97m B. 30m C. 45m D. 32m
6. Which of the following is negative?
A. Cos(-890)
B. Tan(-1200)
C. Sin (1200)
D. Sin (-890)
7. If 300 and 450 are respectively the angle of elevation of the foot
and the top of a television antenna on the top of 100meter tall
building then the total height of the antenna from the ground
is ?
A. 100√3m B. 120m C. 150m D. 120√3
8. If A(-2, 3) , B(-2, -7) and c(-4, 5) are the three vertices of a
triangle. What is the Pt at which the medians intersect?
A. (3, -3) B. (-3, 3) C. (1, -2) D. (0, -3)
9. What is the periemeter of a rhombus whose diagonal are 16
and 30 units?
B. 68 unit B. 92 unit C. 46 unit D. 42 unit
10. Which of the following can never be the mesure of each
exterior angle of regular polygon?
A. 150 B. 200 C. 250 D. 300
Answers: 2
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I. Choose the correct answer from the given alternatives
1. Which of the following is not an identi...
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