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Area of Parallelograms and Triangles

Learn how to find the area of a parallelogram using base × height and the area of a triangle using ½ × base × height. Let’s get started! 🚀

Area of Parallelograms and Triangles - introduction visual

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Flashcards

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Height of a parallelogram illustrated with a perpendicular height h from base b to the opposite side.Diagram showing the formula for the area of a parallelogram, A = b⋅h, with labelled base (b) and height (h) on two parallelograms.Height of a triangle, with height h perpendicular to base b and extending from b to the opposite vertex, illustrated with two triangle diagrams.Formula for the area of a triangle with base and height labelled, showing two triangles with base (b) and height (h).

🛎️ Height of a Parallelogram

  • The height hh is perpendicular to the base bb.
  • The height goes from the base to the opposite side, even if it is outside.

🛎️ Area of a Parallelogram

  • The area of a parallelogram is found using base × height.
  • This is written as Area=b×hArea = b \times h

🛎️ Height of a Triangle

  • The height hh is perpendicular to the base bb.
  • The height goes from the base to the opposite vertex.

🛎️ Area of a Triangle

  • The area of a triangle is half the area of a parallelogram.
  • The formula is A=12⋅b⋅hA = \dfrac{1}{2} \cdot b \cdot h.

Practice Questions

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