Answer:
Step-by-step explanation:
B. 5
C. 10
D. 20
we can mark points on the graph shown , check the image I have shared with this for the points .
Formula for slope =
So for Line A points are (1,3) and (0,-1)
So using t he formula slope is =
slope of line A =4
For Line B the points are (0,4) and (3,-5)
So using t he formula slope is =
slope of line B = -3
m=20+0.10t
t=−20+0.10m
m=10t−200
the angle of depression of the person's line of sight to the object on the ground.
The angle of depression of the person's line of sight to the object on the ground is 12.15°.
The information forms a right angle triangle. The person eyes above the ground is the opposite side of the triangle. The object distance from the building in line of the sight is the adjacent side of the right angle triangle.
Therefore,
using trigonometric ratio,
tan Ф = opposite /adjacent
tan Ф = 12.6 / 58.5
tan Ф = 0.21538461538
Ф = tan⁻¹ 0.21538461538
Ф = 12.1549416972
Ф = 12.15°
angle of depression ≈ 12.15°
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Answer:
Step-by-step explanation:
Given,
Height = 12.6 m
Object distance from the person = 58.5 m
Angle of depression
Hence, angle of depression is equal to