Fact 1: Aruler is used for measuring the length of an object. Fact 2: Perimeter is the total length around the object. Given the two facts above, how would you measure the perimeter of the outside of an object? ?
Options are: 1). With a scale.. 2). With a ruler.. 3). With a thermometer.. 4). With a hydrometer.. 5). by indirect light. 6). Under 32 degrees. 7). focusing a lens. 8). electron microscope.
Answer:
2).