Unit 9: Area of Parallelograms, Triangles, and Trapezoids

Front

What is the area?
Parallelogram A = bh Triangle A = 1/2 bh Trapezoid A = 1/2(b1​+b2​)h Options: 657 ft², 810 ft², 405 ft², 328.5 ft²

Back

657 ft²

Front

What is the area?
Parallelogram A = bh Triangle A = 1/2 bh Trapezoid A = 1/2(b1​+b2​)h Options: 8 square units, 12 square units, 16 square units, 7 square units

Back

8 square units

Front

What is the area?
Parallelogram A = bh Triangle A = 1/2 bh Trapezoid A = 1/2(b1​+b2​)h Options: 512 in², 400 in², 200 in², 256 in²

Back

400 in²

Front

What is the area?
Parallelogram A = bh Triangle A = 1/2 bh Trapezoid A = 1/2(b1​+b2​)h Options: 228 ft², 288 ft², 114 ft², 123.5 ft²

Back

114 ft²

Front

What is the area?
Parallelogram A = bh Triangle A = 1/2 bh Trapezoid A = 1/2(b1​+b2​)h Options: 150 ft², 180 ft², 315 ft², 378 ft²

Back

150 ft²

Front

What is the area?
Parallelogram A = bh Triangle A = 1/2 bh Trapezoid A = 1/2(b1​+b2​)h Options: 70 cm², 140 cm², 24 cm², 35 cm²

Back

70 cm²

Front

What is the area?
Parallelogram A = bh Triangle A = 1/2 bh Trapezoid A = 1/2(b1​+b2​)h Options: 300 ft², 180 ft², 3,600 ft², 90 ft²

Back

180 ft²

Front

Formula to find area of a scalene triangle

Back

Front

Formula to find area of an obtuse triangle

Back

Front

Formula to find area of an equilateral triangle?

Back