What is the area of a square with a side length of 4 meters?

The area of a square is calculated using the formula: $$A = side^2$$ . Therefore, $$A = 4^2 = 16 m^2$$ .

How do you find the area of a circle?

The area of a circle is calculated using the formula: $$A = \pi r^2$$ , where r is the radius.

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

Using the formula $$A = \pi r^2$$ , the area is approximately $$A \approx 3.14 \times 3^2 \approx 28.26 in^2$$ .

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

Using the formula $$A = L \times W$$ , the area is $$A = 12 \times 5 = 60 in^2$$ .

If a trapezoid has bases of 10 inches and 6 inches, and a height of 4 inches, what is its area?

Using the formula $$A = \frac{1}{2} (B_1 + B_2) H$$ , the area is $$A = \frac{1}{2} (10 + 6) \times 4 = 32 in^2$$ .

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

Using the formula $$A = base \times height$$ , the area is $$A = 10 \times 5 = 50 cm^2$$ .

What is the area of a triangle with a base of 12 inches and a height of 10 inches?

Using the formula $$A = \frac{1}{2} \times base \times height$$ , the area is $$A = \frac{1}{2} \times 12 \times 10 = 60 in^2$$ .

If a triangle has a base of 8 inches and an area of 32 in², what is the height?

Using the formula $$A = \frac{1}{2} \times base \times height$$ , we can rearrange to find height: $$height = \frac{2A}{base} = \frac{2 \times 32}{8} = 8 inches$$ .

Area of Polygons Flashcards

Student preview

15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for the area of a triangle?

Back

2.

FLASHCARD QUESTION

Front

How do you calculate the area of a rectangle?

Back

3.

FLASHCARD QUESTION

Front

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

Back

4.

FLASHCARD QUESTION

Front

What is the area of a parallelogram?

Back

5.

FLASHCARD QUESTION

Front

What is the area of a trapezoid?

Back

6.

FLASHCARD QUESTION

Front

If a triangle has an area of 30 in² and a base of 10 inches, what is the height?

Back

7.

FLASHCARD QUESTION

Front

What is the area of a rectangle with a length of 8 cm and a width of 3 cm?

Back

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