Prerequisite 12.0

1
Prerequisite 12.0

• OBJECTIVE
• Solve for area of various quadrilaterals,
  triangles, and circles
• Solve for perimeter of irregular figures and
  circles
• Use Pythagorean Theorem

2
Find the area of each figure (12.3 12.5)

• Identify the shape
• Write the formula to use
• Trapezoid A (1/2)( b1 b2)(h)
• Triangle A (1/2)(bh)
• Rectangle A L W

3
Find the perimeter of an irregular figure

• Find any missing side lengths. Remember that the
  parts add up to the whole.
• Add all the sides together

4
Find the area of each circle with the given
radius or diameter (12.4,12.6,12.7)

• Identify the given part of the circle
• Find the radius if it is not given
• Write the formula for the area of a circle
• A (3.14) r²
• Fill in the value of r
• Simplify using order of operations

5
Find the circumference of each circle given the
radius or the diameter

• Identify the given part of the circle
• Write the formula for the circumference of a
  circle
• C 2 (3.14) r (if radius is given)
• C (3.14) d (if diameter is given)
• Simplify using order of operations

6
Use Pythagorean Theorem