Geometry and TrigonometryEasyArea of a triangle
Geometry and Trigonometry practice question
A triangle has a base of 8 centimetres and a height of 5 centimetres. What is its area, in square centimetres?
Answer: 20
Area = (1/2) × base × height = (1/2)(8)(5) = 20.
Common wrong answers
- If you answered 13
- 13 is 8 + 5.
- If you answered 26
- 26 is 2(8 + 5).
- If you answered 40
- 40 is base × height without the half.
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