mrsbabyjacob
25.11.2019 •
Mathematics
okay, how many weeks would you have to work to pay for gary's $1200 mistake?
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Ответ:
I shouldn't have to pay for his mistake he should get fired
Step-by-step explanation:
Ответ:
Step-by-step explanation:
This is a right triangle
the 20 foot ladder is the hypotenuse
The 9 foot at the bottom is one leg
The height is the remaing leg
Use the pythagorean theorem
a² + b² = c²
a² + 9² = 20²
Subtract 9² from both sides
a² = 20² - 9²
a² = 400 - 81
a² = 319
Take the square root of both sides
a = 17.860571099491752
rounded
17.9 feet