Q1:

Given three sides of a nonrightangled triangle, which of the following would you use to find one of the angles? 
A. Sine Rule B. Cosine Rule C. Area Formula D. Laws of Indices 
Answer 1:


Q2:

Fred is using the cosine rule to find an angle P. He writes 36 = 296  280cosP A correct statement that follows this is: 
A. 332 = 280cosP B. 260 = 280cosP C. 36 = 16cosP D. 260 = 280cosP 
Answer 2:


Q3:

The value of sin C is:

A 56 sin 20° B. C. D. 
Answer 3:


Q4:

The best expression to use to find the length of side BC is 
A.^{ }B. C. D. 
Answer 4:


Q5:

In using the Cosine Rule, a student wrote x^{2}= 36 + 49  84cos 40°
The statement that follows from this is:

A. x^{2 }= 36  35cos40° B. x^{2 }= 85  84cos40° C. x^{2 }= 1cos40° D. x^{2 }= 6+7  9.2cos40° 
Answer 5:


Q6:

If x = find x (to 2 s.f.) 
A. 1.8 B. 1.83 C. 1.4 D. 3.3 
Answer 6:


Q7:

A line in a calculation using the Cosine Rule is cosA = What is the size of angle A (to 1 d.p.)? 
A. 64.3° B. 28.8° C. 25.7° D. 61.2° 
Answer 7:


Q8:

If x^{2} = 36  35cos 35°, what is x? (to 2 sig.fig.) 
A. 2.7 B. 0.82 C. 7.3 D. 54 
Answer 8:


Q9:

Find the square root of 105 to 3 significant figures. 
A. 10.2 B. 10.25 C. 10 D. 11025 
Answer 9:


Q10:

Which of the following would you use to find the length of DG?

A.Sine Rule B.Cosine Rule C.Pythagoras' Theorem D.Area Formula 
Answer 10:

