Here's a "right pyramid" .ABCD are square and VNA are 90 degrees.
If VA=10cm and ABCD area=72cm(square)
Fine a) CA lengh
b) VN lengh
c) this right pyramis voleum
Ans: A) 12cm B) 8cm C)192 cm(cube)
Three bowls ABC put together.IF A diameter's 15 cm, B 18 cm , C 24 cm and A depth 5 cm and voleum's 250 cm(cube).
Fine a) B and C depth
b) B and C voleum
Ans. a) B : 6 cm, C : 8 cm
a) B : 432 cm(cube) ,C : 1024 cm(cube)
maths question do it
2009-01-23 9:18 pm
回答 (2)
2009-01-24 4:01 am
✔ 最佳答案
The answer is as follows:圖片參考：http://i320.photobucket.com/albums/nn347/old-master/090123_mat_1.jpg?t=1232712009
2009-01-23 9:26 pm
a)
ABCD area=72cm
side length= sq root (72)
CA^2= side length^2 + side length^2 = 72+72 =144
CA=12cm
ABCD area=72cm
side length= sq root (72)
CA^2= side length^2 + side length^2 = 72+72 =144
CA=12cm
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