Geometry equation help.?

2009-03-30 3:26 pm
The trapezoids HIJK and LMNO are similar. HI measured 8 inches and LM measured 32 inches. If the area of HIJK was 72 square inches, what is the area of LMNO?

回答 (3)

2009-03-30 3:32 pm
✔ 最佳答案
For similar shapes with ratio of linear dimensions r,
the area ratio is r^2 no matter what kinds of similar shapes they are.
In your case,
i.e. 72 (32/8)^2
= 72 x 16
= 1152 sq inches.
2009-03-30 10:35 pm
8/32=1/4
s2/s1=1/16
16 x 72=1152inch^2
2009-03-30 10:32 pm
1152 square inches


收錄日期: 2021-05-01 12:11:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090330072625AAqHyb8

檢視 Wayback Machine 備份