Ответ:
20 ° и 70°
Объяснение:
х=180°÷(7+2)=20°
20°×2 = 40°
20°×7 = 140°
(180°-40°)÷2 = 70°
(180°-140°)÷2 = 20°
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Answers & Comments
Ответ:
20 ° и 70°
Объяснение:
х=180°÷(7+2)=20°
20°×2 = 40°
20°×7 = 140°
(180°-40°)÷2 = 70°
(180°-140°)÷2 = 20°