Perimeters and Areas of Triangles, Parallelograms, Trapezoids

A _______________ is a quadrilateral with two sets of parallel sides.

• trapezoid

• parallelogram

• triangle

What is the formula for the area of a triangle?

• A=bh
• A=1/2 bh
• A=1/2 (b₁+b₂) h
• A=πr²

What is the formula for the circumference of a circle?

• C=2πr
• C=2πd
• C=πr²
• C=2πr²

What is the formula for the area of a circle?

• A=2πr
• A=2πd
• A=πr²
• A=2πr²

What is the formula for the area of a parallelogram?

• A=bh
• A=1/2 bh
• A=1/2 (b₁+b₂) h
• A=πr²

What is the length of the base in this parallelogram?

• 1.8 m

• 2 m

• 2.5 m

What is the height of this parallelogram?

• 1.8 m

• 2 m

• 2.5 m

What is the area of this parallelogram?

• 3.6 m²

• 4.5 m²

• 5 m²

What is the length of the base in this parallelogram?

• 6 in

• 3 in

• 2 in

Find the area of the trapezium

• 40cm²

• 80cm²

• 60cm²

• 160cm²