IN the parallelogram ABCD, AB=8,AC=12 and angle BAC=30, E,F,G,H are mid-pt of each side of EFGH so that another parallelogram is
form.repeat this process indefinitely
let the area of the parallelogram ABCD be A1,the area of EFGH be
A2 and so on.it is known that A1,A2,A3...form a geometric sequence and EFGH is a parallelogram,
Find A1
maths sequence
2009-01-15 6:36 am
回答 (2)
2009-01-15 7:14 am
✔ 最佳答案
The answer is as follows:圖片參考：http://i320.photobucket.com/albums/nn347/old-master/090114_mat_1.jpg?t=1231945803
2009-01-15 6:46 am
IN the parallelogram ABCD, AB=8,AC=12 and angle BAC=30, E,F,G,H are mid-pt of each side of EFGH so that another parallelogram is
form.repeat this process indefinitely
let the area of the parallelogram ABCD be A1,the area of EFGH be
A2 and so on.it is known that A1,A2,A3...form a geometric sequence and EFGH is a parallelogram,
Find A1
form.repeat this process indefinitely
let the area of the parallelogram ABCD be A1,the area of EFGH be
A2 and so on.it is known that A1,A2,A3...form a geometric sequence and EFGH is a parallelogram,
Find A1
參考: myself
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