Mathematics
Junior High
Resolved
一つ一つの解き方を教えて欲しいです
1 [三角形の内角・外角】次の図,
(1)
(2)
46°
89°
180-(89+46)
=450
1120。
100°
X/
800
IC
35°
65°
のの
IC
2 [多角形の内角] 次の図で、 ∠xの大きさを求めなさい。
(1)
(2)
(3)
105135
85° 140°
(3)
IC
70%
25°
108°
DC
50°
DC
(16
Answers
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