Please help me don't put nothing if you really don't kno it
1 answer:
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Answer:
1.9
Step-by-step explanation:
Use triginometry to find the side length. So cosθ=. Rearrange the equation so it looks like 2cosθ=?. We are given θ (20 degrees) so 2cos(20degrees)=?.
Answer:
It took the cell phone 4.15 seconds to reach the ground
Step-by-step explanation:
The formula is , where t is the time and h is the height
The height of that the cell phone dropped from it is 275 feet above the ground
∴ h = 275
- Substitute the value of h in the formula to find t
∵
∴
- Change it to decimal
∴ t = 4.15 seconds to the nearest 2 decimal places
It took the cell phone 4.15 seconds to reach the ground