If the base of a trapezoid is 8 cm, the top base is 5 cm, and the height is 4 cm, what is the area?

$$A = \frac{(8+5) \times 4}{2} = 26 cm^2$$

What is the formula for the area of a rhombus?

$$A = \frac{1}{2} \times d_1 \times d_2$$ (where d1 and d2 are the diagonals)

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

$$A = \pi \times 3^2 \approx 28.27 cm^2$$ (using \pi \approx 3.14)

What shapes can be used to find the area of a complex figure?

Rectangles, triangles, circles, and other polygons.

What is the area of a trapezoid with bases of 10 cm and 6 cm, and a height of 5 cm?

$$A = \frac{(10+6) \times 5}{2} = 40 cm^2$$

What is the relationship between the area of a rectangle and the area of a square?

A square is a special type of rectangle where all sides are equal.

Flashcard

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Mathematics

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6th - 8th Grade

•

Practice Problem

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Hard

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CCSS

6.G.A.1, 3.MD.C.7B, 7.G.B.4

Standards-aligned

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FLASHCARD QUESTION

Front

What is the formula for the area of a trapezoid?

Back

Tags

CCSS.6.G.A.1

FLASHCARD QUESTION

Front

The formula for finding the area of a triangle is ______

Back

Tags

CCSS.6.G.A.1

FLASHCARD QUESTION

Front

What is the formula for the area of a parallelogram?

Back

Tags

CCSS.6.G.A.1

FLASHCARD QUESTION

Front

What is the formula for the area of a rectangle?

Back

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

FLASHCARD QUESTION

Front

What is the formula for the area of a circle?

Back

Tags

CCSS.7.G.B.4

FLASHCARD QUESTION

Front

How do you find the area of a composite shape?

Back

Divide the shape into simpler shapes, find the area of each, and sum them up.

Tags

CCSS.3.MD.C.7D

FLASHCARD QUESTION

Front

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

Back

Tags

CCSS.6.G.A.1

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