Answer the following. 1. How many square meters are there in one square kilometer? A square meter is equivalent to how many square millimeters? How many decimal places to the right do we need to move the decimal point to change km a. b. 7. How many square meters are there in one hectare? of each figure A square wi sures 5 inches A triangle with height 12 inches and base 9 inches A rectangle with a length 10 cm and width 3.1 cm. If the area of a parallelogram is 378 cm and its bageris 18 cm, find the height? the area of rectangle is 400 cm² and 40 am. Find its width