Sorry the picture is really bad but can someone teach me how to do this ?

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°

the answer to your question is c.)   volcanoes built the mountains and earthquakes tore them down.

step-by-step explanation:

the opening of this porabola is facing up

step-by-step explanation:

you need to rotate this triangle about the origin 270 degrees clockwise to create the full square.