Law of Cosines

Name:

Law of Cosines

In , ,

, and . Which statement can be used to determine the numerical value of h?

a)		c)
b)		d)

In , if

, and

. What is the length of c?

a)	7	c)
b)		d)

In triangle ABC,

, and

. What is the length of side c?

a)		c)	28
b)		d)

In triangle ABC,

, and

. The length of side c is

a)		c)
b)	2	d)

, and

. What is the length of side c to the nearest integer?

a)	5	c)	11
b)	10	d)	20

In , if

, and

, the length of f is

a)	7	c)
b)		d)

, and

. The value of c is

a)	1	c)
b)		d)