siyah87
18.02.2021 •
Mathematics
Arkadaşlar birazdan sözlü olacağım online dersten bilmiyordum ne yapmalıyımmm?
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Ответ:
(5x + 15)⁰+ (3x - 3⁰) = 180⁰ ( same side on interior angle theorm)
(8x + 12)⁰= 180⁰
8x = 168⁰
x = 21
Angle 1 +( 3x - 3)⁰ = 180⁰⁰ ( linear pair)
Angle 1 + 63 - 3⁰ = 180⁰
Angle 1 + 60⁰ = 90⁰
Angle 1 = 180⁰- 60⁰
Angle 1 = 120⁰