The angle of elevation of the ground is the angle between the ground and the line of sight
The angle of elevation of the ground is 30.46 degrees
<h3>How to calculate the angle of elevation</h3>
The angle of elevation is calculated using the following tangent ratio

Evaluate the quotient

Take the arc tan of both sides

Using a calculator, we have:
= 30.46
Hence, the angle of elevation of the ground to the nearest tenth of a degree is 30.46 degrees
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The principal will promote me to hall monitor
"Has" would make more sense. A tip would be to read the sentence with both words, one word at a time obviously (So Everyone HAS already voted in the election.) and just go with your gut on which one makes more sense, you can do it!
Answer:
c) 200 additional D.A should be paid.
Explanation:
o calculate D.A first calculate inflation rate between 1980 and 1984.
Inflation Rate = × 100
Inflation Rate = × 100
= 25%
If 800 is the basic salary then D.A should be according to inflation rate 25% of the salary.
D.A = 800 ×
= 200
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