Pages 259-260 Answers to # 7, 12, 14 (Math Textbook)
7.)
A) V= B x H ÷ 2 x H
V= 12 x 7 ÷ 2 x H
V= 42cm2 x 7cm2
V= 294cm3
B) V= B x H ÷ 2 x H
V= 8.1 x 2.2 ÷ 2 x 15
V= 8.91m2 x 15m2
V= 133.65m3
C) V= B x H ÷ 2 x H
V= 320 x 210 ÷ 2 x 400 / 67 200 ÷ 2 x 4
V= 33 600mm2 x 4mm2
V= 13 440 000 mm3
12.)
Base (cm)
7
18
20
Height Of Triangle (cm)
10
10
5
Height of prism (cm)
70
1080
700
14.)
V= B x H ÷ 2 x H
V= 15 x 8 ÷ 2 x 80
V= 60cm2 x 80cm2
V= 4800 cm3
If there are any other solutions, or mistakes I have typed please feel free to comment!
Good job Justin! I liked how you have a picture, a video, flisti, and info. Although, i think you should have a link next time. Keep it up!
ReplyDeleteGreat job Justin! You really planned it out and it looks easy to read. I agree with Marilen about adding a link. Also the flisti was a great idea! Keep up the great work!
ReplyDeleteThank you for the comments and feedback, for my next post I will remember to add a link. :)
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ReplyDeleteGreat job Justin!
ReplyDeleteI like how you used pictures of your work, I also like how you put a video, a flisti, and colour. Next time you should put a link in your work. Besides that everything is alright, keep up the good work.
Good Job Justin! I liked how you added pictures,flisti,and a video. Next time add a link to help us understand it or play games with. Overall Keep up the Goodwork!
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