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

The area is 20 cm², calculated as $$10 \times 2 = 20$$ .

If the area of a triangle is 18 in² and the base is 6 in, what is the height?

The height is 6 in, calculated as $$\text{height} = \frac{2 \times \text{Area}}{\text{base}} = \frac{2 \times 18}{6} = 6$$ .

What is the area of a rectangle with a length of 15 ft and a width of 4 ft?

The area is 60 ft², calculated as $$15 \times 4 = 60$$ .

What is the area of a triangle with a base of 8 m and a height of 3 m?

The area is 12 m², calculated as $$\frac{1}{2} \times 8 \times 3 = 12$$ .

If a rectangle has a length of 9 cm and an area of 45 cm², what is its width?

The width is 5 cm, calculated as $$\text{width} = \frac{\text{Area}}{\text{length}} = \frac{45}{9} = 5$$ .

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

The area is 25 m², calculated as $$\frac{1}{2} \times 10 \times 5 = 25$$ .

What is the area of a rectangle with a length of 7 yd and a width of 3 yd?

The area is 21 yd², calculated as $$7 \times 3 = 21$$ .

What is the area of a triangle with a base of 12 in and a height of 4 in?

The area is 24 in², calculated as $$\frac{1}{2} \times 12 \times 4 = 24$$ .

Area of Rectangles and Triangles Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

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

Back

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

2.

FLASHCARD QUESTION

Front

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

Back

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

3.

FLASHCARD QUESTION

Front

How do you find the area of a triangle?

Back

Tags

CCSS.6.G.A.1

4.

FLASHCARD QUESTION

Front

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

Back

Tags

CCSS.6.G.A.1

5.

FLASHCARD QUESTION

Front

If a rectangle has an area of 28 yd² and a width of 4 yd, what is its length?

Back

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

6.

FLASHCARD QUESTION

Front

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

Back

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

7.

FLASHCARD QUESTION

Front

What is the area of a triangle with a base of 6 m and a height of 4 m?

Back

Tags

CCSS.6.G.A.1

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