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1 answer:
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Answer:
see explanation
Step-by-step explanation:
given
a² + b² = c² ( isolate b² by subtracting a² from both sides )
b² = c² - a² ( take the square root of both sides )
= ±
b = ±
Look at the attachment
9. Not a function
10. Is a function
11. Not a function
12. Is a function
9. Not a function
10. Is a function
11. Not a function
12. Is a function
Answer:
The area of the triangle is 18 square units.
Step-by-step explanation:
First, we determine the lengths of segments AB, BC and AC by Pythagorean Theorem:
AB
BC
AC
Now we determine the area of the triangle by Heron's formula:
(1)
(2)
Where:
- Area of the triangle.
- Semiparameter.
If we know that ,
and
, then the area of the triangle is:
The area of the triangle is 18 square units.