Area of a Triangle

Write a function that takes the base and height of a triangle and return its area.

Examples

triArea(3, 2) ➞ 3

triArea(7, 4) ➞ 14

triArea(10, 10) ➞ 50

Notes

• The area of a triangle is: (base * height) / 2
• Don't forget to return the result.
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