Example #1:
Find the area of a scalene triangle if the lengths of the three sides are 10, 8, and 9.
Enter 10 in the box labeled " Enter the length of a "
Enter 8 in the box labeled " Enter the length of b "
Enter 9 in the box labeled " Enter the length of c "
Click the button that says "Calculate"
The calculator should display 34.197039345533994
Example #2:
Find the area of a scalene triangle if the lengths of the three sides are 5, 4 and 4.5.
Enter 5 in the box labeled " Enter the length of a "
Enter 4 in the box labeled " Enter the length of b "
Enter 4.5 in the box labeled " Enter the length of c "
Click the button that says "Calculate"
The calculator should display 8.549259836383499
Example #3:
Find the area of a right triangle if the lengths of the three sides are 4, 5 and 3.
Enter 3 in the box labeled " Enter the length of a "
Enter 5 in the box labeled " Enter the length of b "
Enter 4 in the box labeled " Enter the length of c "
Click the button that says "Calculate"
The calculator should display 6.
Does this result surprise you? Well, it should not. Since we are dealing with a right triangle, the hypotenuse is the longest or 5. This means that the base is either 3 or 4.
Area = (4 times 3)/2 = 12/2 = 6
Sep 17, 20 03:57 PM
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