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Area of Triangles & Quadrilaterals (Using Formulas)
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- How to find the area of any triangle using a formula.
- How to find the area of quadrilaterals like parallelograms and trapezoids using formulas.
- And we'll see how this knowledge can help us take care of animals, make stickers, and even go camping.
A triangle has base 40 cm and height 18 cm. Find the area of this triangle.
A trapezoid has base lengths 8 cm and 10 cm and height 5 cm. Find the area.
A parallelogram has base 35 ft, side length 20 ft, and height 16 ft. Dan says the area of this parallelogram is 700 sq. ft. Is he correct? If not, what do you think he did wrong?
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