Area of Triangles and Parallelograms

Find the area of this triangle.

• 6 cm²
• 35 cm²
• 40 cm²
• 12.5 cm²

Find the area of this triangle.

• 240 ft²
• 56 ft²
• 66 ft²
• 120 ft²

Find the area of this triangle.

• 150 ft²
• 100 ft²
• 50 ft²
• 35 ft²

What is the area?

• 3 sq units
• 6 sq units
• 12 sq units
• 9 sq units

What is the area?

• 35 cm
• 30 cm
• 35 sq cm
• 12 cm

Find the area?

• 15 in²
• 30 in²
• 15 in
•  30 in

A triangle has an area of 117 cm². If the base is 26 cm, what is the height?

• 36 cm
• 18 cm
• 9 cm
• 4.5 cm

A right triangle and an isosceles triangle both have the same height and base. What is the relationship between their areas?

• They are equal.
• The area of the right triangle is twice the area of the isosceles triangle
• The area of the right triangle is half the area of the isosceles triangle
• The area of the isosceles triangle is half the area of the right triangle

A gymnastics mat is assembled using 40 triangular pieces of equal size. Each triangle has a base of 22 in. and a height of 32 in. What is the area of the assembled mat?

• 28,160 in²
• 14,080 in²
• 7,040 in²
• 352 in²

A parallelogram has an area of 117 cm². If the base is 13 cm, what is the height?

• 36 cm
• 18 cm
• 9 cm
• 4.5 cm