Finding Area of Triangles and Quadrilaterals

If a rectangle has a length of 8 centimeters and a width of 12 centimeters, what is the area?

Formula for Area of a Rectangle: L x W or B x H

• 40 cm²

• 80 cm²

• 96 cm²

• 192 cm²

What is the area of the square?

Formula: L x W or B x H

• 14 square centimeters

• 28 square centimeters

• 42 square centimeters

• 49 square centimeters

Find the area of a wall of dimension 15 feet by 9 feet.

• 24 ft

• 48 ft²

• 135 ft²

• 270 ft²

 $Formula:\ \frac{B\ x\ H}{2}\ or\ \frac{1}{2}\left(B\right)\left(H\right)$  

Find the area of a right triangle with a base of 42 cm and height of 12 cm.

•  $54\ cm^2$  

•  $108\ cm^2$  

•  $252\ cm^2$  

•  $504\ cm^2$  

 $Formula:\ \frac{B\ x\ H}{2}\ or\ \frac{1}{2}\left(B\right)\left(H\right)$  

If the sides of the right triangle shown on the grid are measured in centimeters, find the area of the triangle.

•  $24\ cm^2$  

•  $30\ cm^2$  

•  $40\ cm^2$  

•  $48\ cm^2$  

What is the area of this rectangle?

Formula for Area of Rectangle: L x W or B x H

• 87 in²

• 174 in²

• 1760 in²

• 3520 in²

Find the area of a parallelogram that has a base of 30 feet and a height of 20 feet.

Formula for Area of Parallelogram: B x H

• 25 ft²

• 50 ft²

• 600 ft²

• 2500 ft²

 $Formula:\ \frac{B\ x\ H}{2}\ or\ \frac{1}{2}\left(B\right)\left(H\right)$  

Find the area of the triangle.

•  $52\ km^2$  

•  $84\ km^2$  

•  $168\ km^2$  

•  $336\ km^2$  

 $Formula:\ \frac{B\ x\ H}{2}\ or\ \frac{1}{2}\left(B\right)\left(H\right)$  

Find the area of the blue triangle.

•  $21\ units^2$  

•  $42\ units^2$  

•  $84\ units^2$  

•  $168\ units^2$  

What is the area of the figure?

• 305 cm²

• 315 cm²

• 390 cm²

• 400 cm²