Which number goes in the box? 8 + 9 = 9 +
2 answers:
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Answer:
Given the statement: For a person standing 100 m from the center of the base of the excel tower, the angle of elevation to the top of the tower is 71.6 degrees.
Let h be the height of the Eiffel tower.
Angle of elevation is,
Distance of boy standing from the center of the base of the Eiffel tower is, 100 m.
Using tangent ratio:
From the given figure as shown;
Solve for h;
Multiply both sides by 100 we have;
or
Simplify:
therefore, the height of the Eiffel tower is, 300m
