Area of Composite Figures
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Objective
I can calculate the area of composite figures by decomposing them into basic shapes.
Part 1 of 4
Warm-up video
Professor Dave Explains · 6:39Vetted channel
We don't generate video — this one is by Professor Dave Explains on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
The area of a square is calculated by the formula side squared, while the area of a rectangle is length times width.
- 2
The area of a triangle is found using the formula ½ × base × height, and the area of a parallelogram is base × height.
- 3
The area of a circle is calculated using the formula πr², where r represents the radius of the circle.
Part 3 of 4
Practice
9 questions
What is the area of a square with a side length of 7 meters?
A rectangle has a length of 8 cm and a width of 3 cm. What is its area?
Part 4 of 4
Exit ticket
Quick comprehension check
“A figure is composed of a rectangle and a right triangle. The rectangle has a length of 10 cm and a width of 5 cm. The triangle's base is the width of the rectangle, and its height is 4 cm. Calculate the total area of the composite figure. Show your work.”
Sample answer included in the free materials
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Teacher Guide
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