Предмет: Геометрия, автор: vikipolishchuk2017

помогите пожалуйста срочно. с решениями
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Автор ответа: ivanka2082
1

Объяснение:

Позначемо паралелограм ABCD висота

DE= 6 см, DG= 8 см, кут EDG=30°

кут EDG=90°→кут GDC=90°-кут EDG=90°-30°=60°→кут GCD=90°-кут GDC=

=90°-60°=30°

Катет лежить на проти вугла 30°рівний половині гіпотенузи

DC=DG•2=8•2=16(см)

S=a•hª=DC•ED=16•6=96(см²)

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