Area of Triangles and Quadrilaterals

The measure of the number of unit squares needed to cover a surface area without any gaps or overlaps

• ruler

• perimeter

• area

• volume

Identify this shape.

• rectangle

• slanted rectangle

• parallelogram

• trapezoid

What is the formula for finding the area of a triangle?

• bh

• lwh

• 1/2 bh

The number of square units needed to cover a surface or figure

• quotient

• volume

• area

• perimeter

Find the area of the figure

• 35 un²

• 70 un²

• 30 un²

• 168 un²

Formula for area of a trapezoid

• A = ½ bh

• A = bh

• A = ½ h (b₁ + b₂)

• A = π r²

Calculate the area of the triangle.

• 25 sq ft

• 30 sq ft

• 32.5 sq ft

• 78 sq ft

Calculate the area of the triangle.

• 52 sq km

• 84 sq km

• 168 sq km

• 336 sq km

What is the area of the BLUE triangle?

• 21

• 42

• 84

• 168

What is the area of the green triangle?

• 130 sq cm

• 46 sq cm

• 65 sq cm

• 23 sq cm