Предмет: Геометрия, автор: dasha9075

пожалуйста сейчас нужно решить , как сможете​

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Автор ответа: viktoriamaksimovskih
1

S=\frac{a+b}{2} *h

1. BC=EK=11  т.к. EBCK прямоугольник.

AD=8+11+3=22

2. треугольник ABE:

AE=BE  т.к. треугольник равнобедренный( ∠BAE=∠ABE=45°)

3.

S=\frac{22+11}{2} *8=33*4=132

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