If the area of a triangle is 50 m² and the height is 5 m, what is the base?

Using the formula $$A = \frac{b \times h}{2}$$ , we find base: $$b = \frac{2A}{h} = \frac{2 \times 50}{5} = 20 m$$ .

What is the area of a triangle with a base of 15 in and a height of 8 in?

The area is $$A = \frac{15 \times 8}{2} = 60 in²$$ .

What is the area of a triangle with a base of 20 cm and a height of 10 cm?

The area is $$A = \frac{20 \times 10}{2} = 100 cm²$$ .

What is the area of a triangle with a base of 5 m and a height of 12 m?

The area is $$A = \frac{5 \times 12}{2} = 30 m²$$ .

If a triangle has a base of 9 ft and an area of 36 ft², what is the height?

Using the formula $$A = \frac{b \times h}{2}$$ , we find height: $$h = \frac{2A}{b} = \frac{2 \times 36}{9} = 8 ft$$ .

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

The area is $$A = \frac{7 \times 3}{2} = 10.5 in²$$ .

What is the area of a triangle with a base of 14 cm and a height of 6 cm?

The area is $$A = \frac{14 \times 6}{2} = 42 cm²$$ .

What is the area of a triangle with a base of 18 ft and a height of 4 ft?

The area is $$A = \frac{18 \times 4}{2} = 36 ft²$$ .

Area of a Triangle Flashcards

Student preview

15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for the area of a triangle?

Back

Tags

CCSS.6.G.A.1

2.

FLASHCARD QUESTION

Front

What units do we use to show area?

Back

We use squared units to show area, such as mm², ft², or in².

Tags

CCSS.3.MD.C.6

3.

FLASHCARD QUESTION

Front

How do you calculate the area of a triangle with a base of 10 cm and a height of 5 cm?

Back

Tags

CCSS.6.G.A.1

4.

FLASHCARD QUESTION

Front

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

Back

Tags

CCSS.6.G.A.1

5.

FLASHCARD QUESTION

Front

What is the area of a triangle with a base of 8 m and a height of 4 m?

Back

Tags

CCSS.6.G.A.1

6.

FLASHCARD QUESTION

Front

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

Back

Tags

CCSS.6.G.A.1

7.

FLASHCARD QUESTION

Front

What is the area of a triangle with a base of 6 cm and a height of 9 cm?

Back

Tags

CCSS.6.G.A.1

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