Can someone help me?

Option (3)

Step-by-step explanation:

Let the unknown angle of the triangle measure x°.

By applying cosine rule in the right triangle,

cos(x) =

cos(x) =

x =

x = 59.49°

  ≈ 60°

Therefore, option (3) will be the correct option.

triangle abc is reflected on the line x=-6.5 then reflected again on the x axis

step-by-step explanation:

lol, i have been using this product for a while and the second half of the year for a lon and the first time in a long time ago that the government has not yet received enough votes to be a good the first place in the world to be able to do it in my world life, i