Mathematics
Junior High
Solved
丸のついている6番と7番を解説してほしいです。
答えは6番が31/15。 7番が34/15です。
(3)
D
C
4cm
7cm
6cm
1cm
AEABA 4
相似比=1:
5
EA
TOTA EB
= 6
=
A
cm
cm
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