Thursday, November 18, 2010

Louis' Homework book: 30 questions 2, 3, 4

Homework Book Pages 30 questions 2, 3, 4

2) Use the relationship to determine the length of C in each triangle, to the the nearest whole number. Show your work.

A)



b2=c2 - a2
b2=262 - 242
b2=676 - 576
b2=100m2

square root 100 m2 and it becomes 10m









B)





a2=c2 - b2
a2=392 - 152
a2=1521 - 225
a2=1296 cm2

square root 1296 cm2 and it becomes 36cm







3) Determine the length of each hypotenuse. Show your work.

A)






a2 + b2 = c2
402 + 92 = c2
1600 + 81 = c2
1681 cm2 = c2

square root 1681 cm2 and it becomes 41cm






B)






a2 + b2 = c2
352 + 122 = c2
1225 + 144
1369m2 = c2

square root 1369 m2 and it becomes 37m







4) What is the length of each hypotenuse, to the nearest centimeter? Show your work.

A)





a2 + b2 = c2
82 + 92 = c2
64 + 81 = c2
145 = c2

square root 145 cm2 and it becomes 12.04cm








B)





a2 + b2 = c2
102 + 62 = c2
100 + 36 = c2
136 cm2 = c2

square root 136 cm2 and it becomes 11.66 cm

4 comments:

  1. Good Job Louis. I like your post, its organize. I suggest that next time try to highlight important words. Adding a video and a link will help us more. Other than that, good job.

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  2. Good job Louis! Your post was simple and easy to read. I liked that you showed your work but next time you should add some colour to the important words. You should also add a link and video.Otherwise great job.

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  3. Good job Louis. I like the way you explained your work, it was very easy to understand. I like how you changed the color for the answer of the hypotenuse. I think you shouldn't space things out as much. You should try and find a video and a link, but overall great job!

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  4. Great job Louis. I like how you explained how you found the answers. Its also very neat and easy to read. I agree with anna, you should of highlighted the important words. but fantastic job, keep it up!

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