What is the difference between area and perimeter?

Area measures the space inside a shape, while perimeter measures the distance around a shape.

What is the area of a triangle with a base of 10 cm and a height of 5 cm?

$$A = \frac{1}{2} \times 10 \times 5 = 25 \text{ cm}^2$$ .

If a rectangle has a length of 12 in and a width of 15 in, what is its area?

$$A = 12 \times 15 = 180 \text{ in}^2$$ .

What is the area of a trapezoid with bases of 8 m and 12 m, and a height of 5 m?

$$A = \frac{1}{2}(8 + 12) \times 5 = 50 \text{ m}^2$$ .

How do you calculate the area of a polygon?

Divide the polygon into simpler shapes (triangles, rectangles) and sum their areas.

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

$$A = \text{π} \times 3^2 \text{ cm}^2 \text{ (approximately 28.27 cm}^2)$$ .

What is the area of a rectangle with a length of 10 m and a width of 2 m?

$$A = 10 \times 2 = 20 \text{ m}^2$$ .

Area of Polygons Flashcard

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the formula to find the area of a triangle?

Back

Tags

CCSS.6.G.A.1

2.

FLASHCARD QUESTION

Front

What is the area of a rectangle?

Back

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

3.

FLASHCARD QUESTION

Front

What does area mean?

Back

The amount of space inside a shape.

4.

FLASHCARD QUESTION

Front

What is the formula for the area of a trapezoid?

Back

Tags

CCSS.6.G.A.1

5.

FLASHCARD QUESTION

Front

How do you find the area of a square?

Back

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

6.

FLASHCARD QUESTION

Front

What is the area of a circle?

Back

Tags

CCSS.7.G.B.4

7.

FLASHCARD QUESTION

Front

What is the area of a parallelogram?

Back

Tags

CCSS.6.G.A.1

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