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ПОМОГИТЕ ПОЖАЛУЙСТА ДАМ 83балов!!!♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️...

August 2022 1 0 Report

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Tam3rlaN

$s = \frac{1}{2} ab \sin( \alpha ) = \frac{1}{2} 4 \times 6 \times \sin( 38 ) = 12 \times \sin(38)$

sin 38 это примерно 1/2 тогда площадь будет около 6

$s = ab \sin( \alpha ) \\ 8 = 4b \sin(150) = 4b \sin(30 ) = 4b \div 2 = 2b \\ b = 8 \div 2 = 4$

$s = \frac{1}{2} ab \sin( \alpha ) \\ 6 = \frac{1}{2} \times 24 \times \sin( \alpha ) = 12 \sin( \alpha ) \\ \sin( \alpha ) = 6 \div 12 = 0.5 \\ \alpha = 30$

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