Area Formulas Quadrilaterals and Triangles

• area formula for a rectangle

• area formula of a parallelogram

• area formula of a trapezoid

• area formula of a rhombus

• area formula of a triangle

• area formula of a triangle

• area formula of a rectangle

• area formula of a rhombus

• area formula of a trapezoid

• area formula of a parallelogram

• area formula of a trapezoid

• area formula of a parallelogram

• area formula of a triangle

• area formula of a rhombus

• area formula of a rectangle

Area formula of a rectangle

• 
• 
• 
• 
• 

Formula for the area of a triangle

What formula would you use to find the area?

• A = bh

• A = 1/2 bh

• A = 1/2 h (b₁+b₂)

• A = lw

Find the area of the rhombus. The 10 and 14 show the lengths of those parts of the diagonals, they are not the full diagonal length.

The area formula for this shape is

Which formula would you use to find the area of the figure below?

• 
• 
• 

Find the area of the quadrilateral shown.

• 8.6 cm²

• 25.3 cm²

• 17.2 cm²

• 34.4 cm²