13.1-2 Area of Quads & Triangles

Quadrilaterals have:

• 4 sides

• 6 sides

• 8 sides

• 12 sides

All of these are quadrilaterals EXCEPT:

• triangle

• trapezoid

• rhombus

• circle

What is the formula for the area of a triangle?

• A=bh

• A=lw

• A=s²

• A=1/2(bh)

What is the formula for the area of a parallelogram?

• A=bh

• A=lw

• A=s²

• A=1/2(bh)

The space inside an 2-D object is called its ____________________.

• area

• perimeter

• volume

• circumference

Which formula cannot be used to find the area of a square?

• A=bh

• A=lw

• A=s²

• A=1/2(bh)

What is the formula for the area of a rectangle?

• A=lw

• A=1/2*h(b1+b2)

• A=3.14(r)

• A=s²

What is the formula for the area of a trapezoid?

• A=lw

• A=bh

• A= 1/2(h)(b1+b2)

• A=pi(r²)

Do you add, subtract, multiply or divide the sides to find perimeter?

• add
• subtract
• multiply
• divide

When measuring area, what label do you use?

• units
• units²
• units³