Name: ____________________
Guided Notes
Tuesday Sept 1st
Formulas:
Perimeter –
Square:
Rectangle:
Area –
Square:
Rectangle:
Circle:
Circumference!!!
Circle:
Examples:
1. Your pool is 15ft wide and 20ft long with a 3-ft wide deck surrounding it. You want to build
a fence around the deck. How much fencing will you need?
2. a) Find the circumference of circle Z with a radius of 18m in terms of π.
b) Find the circumference of circle Z with a diameter of 18m to the nearest tenth.
3. Find the perimeter of ΔABC with vertices A(-1, -2), B(5, -2), and C(5, 6).
4. Your grandma is quilting a blanket that is 8 feet long and 4.5 feet wide. How much square
feet of fabric will she use?
5. The diameter of a circle is 5ft. Find the area in terms of π and then to the nearest tenth.
6. Find the area of the figure below.