You can use trigonometry specially the cos rule in this case. I can’t send the other pictures. But using the cos rule you can check whether the angle is 90
Which is a reasonable conclusion from the information presented in the bar graph?
2 answers:
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Total hours of hiking is 15.12 miles
Time taken is 6.3 hours
The number of miles hiked per hour would be
Total hours ÷ time taken
=2.4 miles
So Megan has hiked 2.4 miles every hour