What is the area of a triangle with a base of 6 cm and a height of 3 cm?

The area is $$\frac{1}{2} \times 6 \times 3 = 9 cm^2$$ .

If a parallelogram has an area of 36 cm² and a base of 6 cm, what is the height?

The height is $$\frac{36}{6} = 6 cm$$ .

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

The area is $$\frac{1}{2} \times 8 \times 5 = 20 cm^2$$ .

What is the area of a parallelogram with a base of 12 cm and a height of 4 cm?

The area is $$12 \times 4 = 48 cm^2$$ .

If a triangle has a base of 10 cm and an area of 25 cm², what is the height?

The height is $$\frac{2 \times 25}{10} = 5 cm$$ .

What is the area of a triangle with a base of 9 cm and a height of 2 cm?

The area is $$\frac{1}{2} \times 9 \times 2 = 9 cm^2$$ .

If a parallelogram has an area of 54 cm² and a height of 6 cm, what is the base?

The base is $$\frac{54}{6} = 9 cm$$ .

What is the area of a triangle with a base of 7 cm and a height of 3 cm?

The area is $$\frac{1}{2} \times 7 \times 3 = 10.5 cm^2$$ .

8.1 and 8.2 Flashcards

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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

What is the formula for the area of a parallelogram?

Back

3.

FLASHCARD QUESTION

Front

If a triangle has a base of 5 cm and a height of 4 cm, what is its area?

Back

4.

FLASHCARD QUESTION

Front

If a parallelogram has a base of 10 cm and a height of 5 cm, what is its area?

Back

5.

FLASHCARD QUESTION

Front

What is the relationship between the area of a triangle and a parallelogram with the same base and height?

Back

The area of a triangle is always half the area of a parallelogram with the same base and height.

6.

FLASHCARD QUESTION

Front

How do you find the height of a triangle if you know the area and the base?

Back

7.

FLASHCARD QUESTION

Front

If a triangle has an area of 20 cm² and a base of 4 cm, what is the height?

Back

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