Perimeter and Area of a Triangle

Find the area of a triangle with a base of 7 mm and a height of 10 mm?

• 70 mm squared

• 35 mm squared

• 17 mm squared

• 8.5 mm squared

To find the area of a triangle, you need to know the _________ and ________.

• sides and sides

• base and height

• bottom and top

• length and width

If the perimeter of a triangle is 230 feet and two of the side length are 111 feet and 54 feet, what is the length of the third side?

• 395 feet

• 65 feet

• 165 feet

• 56 feet

Find the area of this triangle.

• 12 in²

• 22 in²

• 18 in²

• 24 in²

Maria wants to put trim around her artwork. Use the image to calculate how many inches of trim Maria would need.

• 16 inches

• 22 inches

• 26 inches

• 44 inches

Find the perimeter of this triangle.

• 12 in

• 22 in

• 18 in

• 24 in

Find the perimeter of this triangle.

• 150 ft

• 100 ft

• 20 ft

• 35 ft

Find the area of this triangle.

• 12 in²

• 22 in²

• 18 in²

• 24 in²

Find the area.

• 25.9 yd²

• 12.95 yd²

• 6.475 yd²

• 12.95 m²

• 108 cm
• 540 cm
• 108 cm²
• 54 cm²