493,826 views
42 votes
42 votes
Lynn is trying to determine how far away Student B is from the balloon. He decides to use the

equation shown below. Is his equation correct? Why or why not?

5

cos 60º =

BIV x

User Phil Sturgeon
by
3.2k points

2 Answers

14 votes
14 votes

Answer:

Did you get the answer If so please give it to me.

Explanation:

User Shubham Choudhary
by
3.4k points
8 votes
8 votes

Answer:

See Explanation

Explanation:

The question is incomplete as the image that illustrates the scenario is not given.

However, I can deduce that the question is about a right-angled triangle.

So, I will give a general explanation on how to find each of the side of the triangle, given a side and an angle.

For triangle A (solve for b)

Using cosine formula.


image


image

Make b the subject


image

For triangle B (solve for b)

Using cosine formula.


image


image

Make b the subject


image

For triangle C (solve for b)

Using cosine formula.


image


image

Make b the subject


image

Lynn is trying to determine how far away Student B is from the balloon. He decides-example-1
User Adam Casey
by
2.9k points