State weather ADB~CDB, and if so , explain how you know
1 answer:
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Answer: The distance from the person on the ground to the bottom of the hotair balloon is 1,649 ft
Step-by-step explanation: Please refer to the attached diagram
From the diagram, the hotair balloon is labelled B. If Marero looks down and forms an angle of depression of 20°, that means he is forming an angle of 70° to point C where one of the two persons are standing. Point B is an angle of 70° (point A cuts point B at a perpendicular, that is, 90°)
With these we can now use the trigonometrical ratio of tangent to calculate the distance marked x on the diagram.
Tan B = opposite/adjacent
Tan 70 = x/600
When we cross multiply, we now have
Tan 70 × 600 = x
2.7475 × 600 = x
1648.5 = x
Rounded to the nearest feet
x = 1,649 feet
Answer:
Step-by-step explanation:
A parallelogram is a quadrilateral (4-sided polygon) that has two pairs of parallel sides.
In this sense, this figure shows a especial parallelogram called <u>rectangle</u>, since its four sides form right angles ().
Hence:
So, the correct choices among the given options are: