Klein read 30 pages of a book on Monday and 1/8 of the book on Tuesday. He completed the 1/4 of the book on Wednesday. How many
1 answer:
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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.
The answer to the question is a
