Bell Ringer 1-27-11. Triangle A is dilated to create Triangle B. A B What type of dilation occurred? Calculate the scale factor. Calculate the original area. Calculate the new area. How is the area affected?. 5 cm. 10 cm. 8 cm. 4 cm.
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Triangle A is dilated to create Triangle B.
4. Calculate the new area.
5. How is the area affected?
Say NO to Oreos!
The new area is ¼ the size of the original area.
What is the length of segment BD in the diagram?
What is the length of the diagonal?
Diagonal or BD
Leg = 6 units
Leg = 8 units
To find the length of the diagonal, I used the Pythagorean Theorem. I counted the number of units in each leg, and I squared them. I added the squares of the legs together. I took the square root of the area to find the length of the segment.
The diagonal is 10 units long.
1. Get out a dry erase marker.
2. You have 1 minute to complete as many problems as you can.
We will grade in 1 minute.
4. Graph your results. Keep the graph in your notebook.
5. We will do this every day.
1. You have 5 minutes to work on the problem of the week and word problem.
2. The problem of the week must follow the Read, Think, Solve, Justify format.
3. When you are finished, turn them in.
4. They are due Friday.
Four friends go to dinner. The total bill is $65.23. Rebecca pays $18.11. Isaac pays 30% of the bill. Jasmine pays 1/3 of the bill. Kendall pays the remainder. Which friend pays the majority of the bill?
You need your notes. Title the notes: Volume of Prisms and Cylinders
I will check your work at the end of class.
The amount of “stuff” a container can hold.
Square units = units2
Cubic Units = units3
Follow these steps in order to calculate volume of prisms and cylinders:
7(4) = 28 in2
h = 5 in
2(3) = 6 ft2
h = 6 ft
Volume = Area of Rectangle (Height)
h = 8 yd
h = 5 ft
Volume = Area of Triangle (Height)
h = 7 in
h = 4 ft
Volume = Area of Circle (Height)
Volume of Prisms & Cylinders
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Show Every Step!!!