An internet site sells 75 feature type cell phones. The ratio of the number of smartphones to the number of feature phones is 3:
1 answer:
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Answer: The height of street would be 3.26 feet.
Step-by-step explanation:
Since we have given that
Angle of elevation = 71°
Distance traveled = 12 feet
Angle of elevation becomes 46°.
So, the height of the street lamp post would be
Hence, the height of street would be 3.26 feet.
Answer:
see explanation
Step-by-step explanation:
The length of the arc is calculated as
AB = circumference of circle × fraction of circle
(11)
AB = 2πr ×
= 2π × 7 ×
= 14π ×
= π in
(12)
AB = 2πr × ( r = 20 ÷ 2 = 10 )
= 2π × 10 ×
= 20π ×
= π
= π cm