A box is to be constructed by starting with a 10 ft by 16 ft rectangular piece of cardboard, cutting out square corners, and folding the sides upward. What is the maximum possible volume of this box?
A box is to be constructed by starting with a 10 ft by 16 ft rectangular piece of cardboard, cutting out square corners, and folding the sides upward. What is the maximum possible volume of this box?
Mr. Durov launched Telegram in late 2013 with his brother, Nikolai, just months before he was pushed out of VK, the Russian social-media platform he founded. Mr. Durov pitched his new app—funded with the proceeds from the VK sale—less as a business than as a way for people to send messages while avoiding government surveillance and censorship.