Задание: а и b стороны прямоугольника, S - площадь прямоугольника, P - периметр. Найди неизвестное заполни таблицу. Площадь прямоугольника равна: S=a*b (произведение длины на ширину) Периметр прямоугольника равен: P=2*(а+b)
№1 a=18 см b=5 см S =90 см² P=46 см S=18*5=90 см² Р=2*(18+5)=2*23=46 см
Misha Hello, Yura! Yura Hello, Misha! Misha How are you doing these days? Yura Thank you, I am doing fine. I like summer holidays! At last I can do what I want and enjoy life as it is! Misha I am with you in that. How do you spend your free time? Yura I play computer games with my brother. That brings a lot of fun! Of course, it does. As far as I know, you are good at playing computer games! Misha If you like, we may play together! Yura No, thanks. My hobby is football. It brings me a good mood and new energy! I suggest watching a football match tomorrow. Misha Nice idea! I am already tired of computers. May I come with my brother? Yura Sure! See you tomorrow then! Misha See you tomorrow!
ответ. 144,2 рубля