Determine which diagram could be used to prove △abc ~ △edc using similarity transformations.

there's no pictures. we need to see the diagrams

The answer is diagram A

Step-by-step explanation:

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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°

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answer