<h2>
Answer: <em>x = 7.5</em></h2>
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Step-by-step explanation:
Use the Pythagorean Theorem (
)
The longest side is <em>c = the hypotenuse</em>, and <em>a and b = the other sides</em> of the triangle.
a = 4 First: 
b = x Second:
c = 8.5 Third: 
Fourth: 
Fifth: x = 7.5
Answer:
y = 10
Step-by-step explanation:
Given
10 - y = y - 10 ( subtract y from both sides )
10 - 2y = - 10 ( subtract 10 from both sides )
- 2y = - 20 ( divide both sides by - 2 )
y = 10
Step-by-step explanation:
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