Question

Решите задачу срочно

Answer 1

$\S=AD*BH \BH=S/AD \AB=sqrt{AH^2+BH^2} \AB=sqrt{AH^2+S^2/AD^2} \AB=sqrt{36+14400/225}=sqrt{36+64}=sqrt{100}=10 \P=2AB+2AD=20+30=50$