Section 10.5 and 10.7
Area of Shapes
and
Circumference
Find the Area of the Figure
Area of a Triangle
A = ½•b•h
Find the Area of the Figure
Area of a Trapezoid
A = ½(b1+b2)h
Find the Area of the Figure
Area of a Parallelogram
A = b•h
Find the Area of the Figure
Area of a Circle
A = л•r2
Find the Area of the Figure
Area of a Circle
A = л•r2
Find the Circumference of the Figure
Circumference of a Circle
C = 2•л•r or C = л•d
Find the Circumference of the Figure
Circumference of a Circle
C = 2•л•r or C = л•d
Homework
Worksheet 10.5 and 10.7