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- 1. Multiple Choice
What rule should you use?SineCosine - 2. Multiple ChoiceWhat is the measure of angle A?50 degrees60 degrees78 degrees74 degrees
- 3. Multiple ChoiceWhich of the following formulas is the Cosine rule?c2 = a2 + b2 - 4ac + cosAc2 = a2 - b2 - 2abcosCc2 = a2 + b2 - 2abcosC(cos A)/a = (cos B)/b
- 4. Multiple Choice
Find the unknown side length, c.
6.52
6.38
6.91
6.67
- 5. Multiple Choice
In the ABC we have AB = 5cm, AC = 6cm, α = 60°. Find the length of the side BC.
√31cm
√29cm
√25cm
√15cm
- 6. Multiple Choice
Find the missing angle θ
27.9o
29.2o
26.8o
45o
- 7. Multiple Choice
Find the missing side x
60.5mm
10.3mm
30.1mm
58.1mm
- 8. Multiple Choice
Find the length of BC using Cosine Rule.
626.70
25.03
313.35
- 9. Multiple ChoiceWe can use SOH-CAH-TOA for...Any triangle everNon-right triangles onlyRight Triangles onlyNever
- 10. Multiple Choice
Find the missing side x
2.36cm
9.21cm
3.16cm
4.51cm
- Answer choicesTagsAnswer choicesTags