Mathematics
Junior High
Resolved
答え合わせお願いします!
基本問題
1弧と円周角
(1) AB=CD
B
A
640
x
C
■
-
■
■
・
D
■
M
下の図で,∠xの大きさを求めなさい。
(2) AB:AC=2:5
(3)
/24°
B
■
■
P
IC
C
B
AB = 2BC
X
/35
■
C
PIOL CX=
400
17 (1) 32⁰ (-) 60°
2x = 120
x = 60
244
LX=
44
317
Answers
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