التاريخ / / 14 عنوان الدرس
اليوم
I am the difference of two
numbers in the 20's. If you
turn me upside down my Value
become 3 more than my original
value. What number am I?

answer:

1. 0.04

2. 0.15

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°