Law of Cosines 2

Name:

Law of Cosines 2

If, in

, and

, then

a)		c)
b)		d)

In triangle ABC, if

, and

, then the value of is

a)		c)
b)		d)

In , if

, and

, then the value of is

a)		c)
b)		d)

In triangle ABC,

, and

. What is the value of ?

a)		c)
b)		d)	16

, and

. What is the value of

a)		c)
b)		d)

In , if

, and

, then is

a)		c)
b)		d)

In , if

, and

. The value of is

a)		c)
b)		d)

In , if

, and

. What is the value of ?

a)		c)
b)		d)

, and

. What is

in simplest fractional form?

a)		c)
b)		d)

The sides of a triangle measure 6, 7, and 9. What is the cosine of the largest angle?

a)		c)
b)	81	d)

, and

. What is

a)	22	c)	60
b)	38	d)	120

In triangle ABC,

, and

. The measure of

a)	30º	c)	120º
b)	60º	d)	150º