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Area of a Triangle
A = ½ × b × h
Where: A = Area, b = base, h = height (perpendicular to the base)
Use the same units for all lengths (e.g. all in cm); areas come out in cm², volumes in cm³.
Solved example
Given: b = 7, h = 5
Find: A (Area)
- Formula: A = b·h/2
- Substitute the values: A = 5·7/2
- Result: A = 17.5
Answer: A = 17.5
Calculator
How to calculate Area of a Triangle
- Write down the formula: A = ½ × b × h.
- Note the known values (b, h).
- Substitute them and simplify to find A.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Area of a Triangle?
The formula is A = ½ × b × h, where A = Area, b = base, h = height (perpendicular to the base).
What is Area of a Triangle when b = 7, h = 5?
A = 17.5. Substitute the values into A = ½ × b × h and simplify.