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05 April 2023 21:42
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05 April 2023 21:42
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06 April 2023 00:25
<p><ABD + <DBE + <CBE = 180°</p><p>a + 5 + 2a + 5 + 40° = 180°</p><p>3a + 50° = 180°</p><p>3a = 180° - 50°</p><p>3a = 130°</p><p>a = 130 : 3 = 43,33°</p><p> </p><p><ABD = a + 5 = 43,33 + 5 =<strong> 48,33°</strong></p><p><DBE = 2a + 5 = 2(43,33) + 5 = 86,66 + 5 = <strong>91,66 °</strong></p>
<ABD + <DBE + <CBE = 180°
a + 5 + 2a + 5 + 40° = 180°
3a + 50° = 180°
3a = 180° - 50°
3a = 130°
a = 130 : 3 = 43,33°
<ABD = a + 5 = 43,33 + 5 = 48,33°
<DBE = 2a + 5 = 2(43,33) + 5 = 86,66 + 5 = 91,66 °
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