Question

NEED HELP ASAP!!!

Answer 1

Answer:

Approximately 85 m

Step-by-step explanation:

Let x represent the distance between the origination point and the target

Distance between original point and mirror 1 = 120 m

Distance between mirror 1 and mirror 2 = 90 m

The measure of angle Opposite the distance between the origination point and the target = 20 + 25 = 45°

Use Cosine rule to find x as shown below:

Use The Law of Cosines to find side a first:

$a^2 = b^2 + c^2 - 2bc \times Cos(A)$

Where,

a = x

b = 90 m

c = 120 m

A = 45°

Plug in the values

$x^2 = 90^2 + 120^2 - 2(90)(120) \times Cos(45)$

$x^2 = 22,500 - 21,600 \times Cos(45)$

$x^2 = 22,500 - 15,273.5065$

$x^2 = 7,226.4935$

Square both sides

$x = \sqrt{7,226.4935}$

$x = \sqrt{7,226.4935}$

x ≈ 85 m

Answer 2

Answer: AAAAAAA-85!!!!!

Step-by-step explanation: