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queeneaf
03.12.2020 •
Mathematics
1
222
2
599
3
209
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Ответ:
∠1 = 36°
∠2 = 122°
∠3 = 122°
∠4 = 38°
Step-by-step explanation:
∠2 = 180°-58° (Supplementary angles add up to 180°)
= 122°
∠2 = ∠3 (Vertically opposite angles are equal)
= 122°
∠1 = 180°-122°-22° (Sum of angles in a triangle is 180°)
= 36°
∠4 = 180°-122°-20° (Sum of angles in a triangle is 180°)
= 38°
Ответ:
7.3
Step-by-step explanation:
The data from least to greatest is 2.8,4,4.3,6,7.5,8.5,9,11.6,12,12.1