What is the first thing you must do to find the area of a composite figure?
Separate it into shapes you know how to find the area of.
What is the formula for area of a parallelogram?
bh
Definition of Surface Area
The total area of all surfaces of a 3-dimensional object
Area of the base multiplied by the height
This helps us find ________________
(Yes it really is that easy)
Volume
What is the circumference of a circle with a diameter of 9 inches?
28.26 in
If a composite figure has a semi-circle in it, how do you find its area?
Use formula for area of a circle and then divide by 2.
What is the formula for area of a triangle?
base x height divided by 2
How many faces does a triangular prism have?
5
What does volume measure?
How much space something takes up
or
How much of something can be held
What is the area of a circle with a radius of 7 cm?
153.86 cm2
Find the area of the composite shape below:
273m2
What is the area of this shape?
10m2
Find the surface area of the cube
512 cm2
Find the volume
120in3
What is the area of a circle with a diameter of 12 cm?
113.04 cm2
Find the area of the figure:
185.12 ft2
Find the area of this triangle
30ft2
Find the surface area
198ft2
Find the volume
54.872cm3
What is the diameter of a circle with a Circumference of 15.7 inches?
5 inches
Find the area of the irregular shape below:
72 square units
Find the area in inches
96 in2
Find the surface area
144cm2
Find the volume of a rectangular prism with a length of 4.5cm, width of 4cm, and height of 4.5cm
81cm3
What is the radius of a circle with a Circumference of 69.08 cm?
11 cm