A² - 225 = (a-15)(a+15)
..................................................................
72.3 is the correct answer because it is correcto
Answer:
<h2>x = 5√3 inches</h2>
Step-by-step explanation:
Since the triangle is a right angled triangle we can use Pythagoras theorem to find the missing side x
Using Pythagoras theorem we have

where a is the hypotenuse
Substitute the values into the above formula
The hypotenuse is 10 inches
We have




We have the final answer as
<h3>x = 5√3 inches</h3>
Hope this helps you
775 steps across 12.5 minutes = 775/12.5 = 62 steps per minute