Answer:
average speed of hiker is 2.4 mph
Step-by-step explanation:
here is the solution : -
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average speed of hiker is 2.4 miles per hour
Step-by-step explanation:
In a right angle triangle one angle is 90°
w.k.t sum of angles in a triangle is 180°
thus, 2x+15+x+90°=180°
3x+105°=180°
3x=75°
x= 75/3=25°
Hope this helps you.