A rectangular bathroom floor is coverd with square tiles that are 1 1/2 feet by 1 1/2 the lenght is 10 1/2 and the width is 6 1/2 feet how many tiles does it take to cover the width of the floor

25

step-by-step explanation:

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°

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0