Triangular Prism Calculator
Find the volume and surface area of a triangular prism from its triangle's three sides and its length.
Volume
60
- Surface area
- 132
- Triangle (base) area
- 6
- Lateral area
- 120
Show the work
Half the perimeter
s = (a + b + c) ÷ 2
(3 + 4 + 5) ÷ 2 = 6
Triangle area by Heron's formula
A = √(s(s − a)(s − b)(s − c))
√(6 × (6 − 3) × (6 − 4) × (6 − 5)) = 6
Volume = triangle area × length
V = A × L
6 × 10 = 60
How it works
Base area by Heron's formula; V = base area × length; surface area = 2 × base area + (a + b + c) × length
Questions
- How does the triangular prism calculator work?
- Base area by Heron's formula; V = base area × length; surface area = 2 × base area + (a + b + c) × length.
- What do I need to enter?
- Triangle side a, Triangle side b, Triangle side c, Prism length, Units. Optional fields can be left blank.
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