challenge 5cm 6cm 12 cm 7cm solution: sa = (b x h) + (a x l) + (b x l) + (c x l) sa = (6cm x 5cm) +...
TRANSCRIPT
![Page 1: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/1.jpg)
Challenge
5cm6cm
6cm
12 cm
7cm
Solution: SA = (b x h) + (a x l) + (b x l) + (c x l)SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)
![Page 2: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/2.jpg)
Your Turn………
8 cm
9 cm7 cm
11 cm
7.5 cm
Given: a = 7cmb = 8cmc = 11cmheight = 7.5cmlength = 9cm
Required: Surface Area of Triangular Prism
Analysis: SA = (b x h) + (a x l) + (b x l) + (c x l)
Solution:SA = (8cm x 7.5cm) + (7cm x 8cm) + (8cm x 9cm) + (11cm x 9cm)=
Paraphrase: Therefore the Surface Area of this Triangular Prism is 277 cm³
![Page 3: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/3.jpg)
Homework Check
![Page 4: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/4.jpg)
Lesson 11 – Friday November 18
100mins
Introduction to 3.4: Volume of Triangular
Prism
![Page 5: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/5.jpg)
Recall Area of a triangle is
1/2 (base X height)Which is one half the area of a rectangle
To calculate Volume of a Rectangular prism Volume = _________
http://www.youtube.com/watch?v=g2UnCcmoabY&feature=fvsr
http://www.mathsnet.net/geometry/solid/houses1.html
![Page 6: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/6.jpg)
ActivityNumber everyone 1 to 4Give students a net for a triangular prismStudents are to create a rectangular prism
that would fit the triangular prism. Come up with a way to calculate the volume
of the triangular prism based on what you know about the area of a triangle and rectangle and volume of rectangular prism
You are not allowed to use your textbook for aid.
Write down your thoughts of how you came up with the formulas.
![Page 7: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/7.jpg)
Define Volume: __________________________________________________________________________
![Page 8: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/8.jpg)
Class Example:
Area of Base = ____m²Volume = ____m³
![Page 9: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/9.jpg)
Class Example #2:
![Page 10: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/10.jpg)
Homework:
Page 119 – 120 # 1 - 6
![Page 11: Challenge 5cm 6cm 12 cm 7cm Solution: SA = (b x h) + (a x l) + (b x l) + (c x l) SA = (6cm X 5cm) + (7cm X 5cm) + (6cm X 12cm) + (6cm X 12cm)](https://reader035.vdocuments.net/reader035/viewer/2022062221/56649d015503460f949d3dc5/html5/thumbnails/11.jpg)
Reminder:
TEST: Wednesday November 23, 2011