Mathematics
Junior High
ๅคง่ณๆฅ๏ผ
๐๐๐๐๐ปโโ๏ธ
ๅ
ญ็ชใฎ๏ผใ2ใ3ใๆใใฆใใ ใใ๐โโ๏ธ
ๅ็ญใจ่งฃ่ชฌใ่ผใใฆ้ ใใใจใใใใใใงใ๏ผ
6 ๅณใฎๅณใง,ๅ่งๅฝขABCDใฏ1่พบ10cmใฎๆญฃๆนๅฝขใงใใ,ๅ่ง
ๅฝขAEFGใฏ1่พบ6cmใฎๆญฃๆนๅฝขใงใใใ ้ ็นEใฏๆญฃๆนๅฝขABCDใฎ
ๅค้จใซ,้ ็นFใจ้ ็นGใฏๅ
้จใซใใใ ็นHใฏ้ ็นBใใ่พบEFใซ
ใฒใใๅ็ทใจ่พบEFใจใฎไบค็นใงใใใ
ใใฎใจใ,ๆฌกใฎๅๅใซ็ญใใใ
(1) AGD = โณAEBใงใใใใจใ่จผๆใใใ
6cm
E
B
(3) BH=3cmใฎใจใ, ไบ่งๅฝขDGFBCใฎ้ข็ฉใฏไฝcmยฒใ,ๆฑใใใ
H
-10cm
F
G
(2) โณBFEใฎๅจใฎ้ทใใacmใจใใใจใ, ไบ่งๅฝขDGFBCใฎๅจใฎ้ทใใaใ็จใใๆใ็ฐกๅใชๅผใง่กจใใ
Answers
No answer yet
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions ๐
