The driving distance between Manchester and london is 195 miles. Fairs intends to travel from Manchester to London by coach. The
coach will leave Manchester at 3:30pm. Faris assumes that the coach will travel at an average speed of 50mph. Using his assumption work out faris's arrival time in London. It actually turns out that the coach has a lower average speed describe how this affects the arrival time.
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Answer:
BC = 30.73
Here,
so first solve for QD
- Hence, QD = 9
Now! <u>using Pythagoras theorem,</u>
- CD² + BD² = BC²
- 19.2² + (9+15)² = BC²
- BC = √368.64+576
- BC = 30.73499634
- BC = 30.73 ( rounded to nearest hundredth )