Question 1

It states that the ratio of the length of a side of the triangle to the sine of the angle opposite that side is the same for all sides and angles in a given triangle.

Accepted Answer

Sine Law

Answer

Cosine Law

Question 2

In the derivation of Sine Law, $a\sin\left(B\right)=b\sin\left(A\right)$ can be rearranged to $\frac{a}{\sin\ A}=\frac{b}{\sin\ B}$ .

Accepted Answer

True

Answer

False

Question 3

In triangle ABC, B=100°, C=40°, and b= 11 cm. What is A?

Accepted Answer

40°

Answer

50°

Answer

80°

Question 4

Using the same triangle in Question 3, get the value of a.

Accepted Answer

7.18

Answer

7.17

Answer

16.85

Question 5

Using the same triangle in questions 3 and 4, find c.

Accepted Answer

7.18

Answer

16.85

Answer

7.17

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