How do you find the area of a composite shape?

To find the area of a composite shape, divide it into simpler shapes (like rectangles, triangles, etc.), calculate the area of each shape, and then sum them up.

What is the area of a triangle with a base of 8 units and a height of 4 units?

The area is $$A = \frac{8 \times 4}{2} = 16 \text{ units}^2$$ .

If a parallelogram has a base of 7 units and a height of 3 units, what is its area?

The area is $$A = 7 \times 3 = 21 \text{ units}^2$$ .

What is the area of a rectangle with a length of 12 units and a width of 5 units?

The area is $$A = 12 \times 5 = 60 \text{ units}^2$$ .

If a square has a side length of 4 units, what is its area?

The area is $$A = 4^2 = 16 \text{ units}^2$$ .

What is the area of a trapezoid with bases of 6 units and 10 units, and a height of 4 units?

The area is $$A = \frac{1}{2}(6 + 10) \times 4 = 32 \text{ units}^2$$ .

If a triangle has an area of 30 units² and a base of 10 units, what is the height?

Using the formula $$A = \frac{bh}{2}$$ , we can rearrange to find height: $$h = \frac{2A}{b} = \frac{2 \times 30}{10} = 6 \text{ units}$$ .

What is the area of a triangle with a base of 5 units and a height of 8 units?

The area is $$A = \frac{5 \times 8}{2} = 20 \text{ units}^2$$ .

Area Flashcards

Student preview

15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for the area of a triangle?

Back

Tags

CCSS.6.G.A.1

2.

FLASHCARD QUESTION

Front

How do you calculate the area of a parallelogram?

Back

Tags

CCSS.6.G.A.1

3.

FLASHCARD QUESTION

Front

What is the area of a rectangle?

Back

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

4.

FLASHCARD QUESTION

Front

What is the area of a square?

Back

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

5.

FLASHCARD QUESTION

Front

What is the formula for the area of a trapezoid?

Back

Tags

CCSS.6.G.A.1

6.

FLASHCARD QUESTION

Front

If the base of a triangle is 10 units and the height is 5 units, what is the area?

Back

Tags

CCSS.6.G.A.1

7.

FLASHCARD QUESTION

Front

What is the area of a circle with a radius of 3 units?

Back

Tags

CCSS.7.G.B.4

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