the measure of angle e, the angle of elevation from point a to point b, is (3x+1). The measure of angle s, the angle of depression from point b to point a, is 2(x+8). Find the measure of each angle.

The angle of elevation of a point from another point is equal to the angle of depression from the other point to the point.
i.e. the angle of elevation from point a to point b is equal to the angle of depression from point b to point a.

3x + 1 = 2(x + 8)
3x + 1 = 2x + 16
3x - 2x = 16 - 1
x = 15.
Therefore, angle e = angle d = 3(15) + 1 = 45 + 1 = 46 degrees.

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abidemiokin abidemiokin · Answer 2 · 2022-04-13T16:29:18+02:00

The measures of <E and <D are equal and equal to 46 degrees

The angle of elevation and depression

The angle of elevation of a point from another point is similar to the angle of depression from the other point to the point. Mathematically, this shows that both angles are alternate (equal angles)

Hence;

3x + 1 = 2(x + 8)

3x + 1 = 2x + 16

3x - 2x = 16 - 1

x = 16 - 1

x = 15

Determine the measure of <E and m<D
<E = <D = 3x + 1
<E = <D = 3(15) + 1

<E = <D = 46 degrees

Hence the measures of <E and <D are equal and equal to 46 degrees

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