What is the solution to 19 = z + 12? z = ?
1 answer:
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Step 1
<u>First situation</u>
when a ladder is leaning against a wall
Let
x-------> the distance of the bottom of the ladder from the wall
L-------> the length of the ladder
<u>Find the length of the ladder</u>
Applying the Pythagorean Theorem
------> equation
Step 2
<u>Second situation</u>
when the ladder will be lying flat on the ground
<u>Find the length of the ladder</u>
In this situation the length of the ladder is equal to
square both sides
------> equation
Step 3
equate equation and equation
therefore
<u>the answer is</u>
the length of the ladder is
see the attached figure to better understand the problem
