But you can bend, fold, or tear the paper itself. 1 ... When you are finished building, measure the height of your tower. • How much taller can you make the tower if you can add 20 centimeters ...

India's tallest observatory, Panchdeep Minar in Howrah, standing at 120 meters, is nearing completion and will open in three-four months. The tower features observation decks, high-powered ...