This method is used in Great Britain, Austria, and Germany by various mountain and hiking clubs. Simply adjust the compass to the degree that was determined and hike away with knowledge about distance and direction. It is accurate to about 1-degree if the protractor is aligned correctly from starting position to destination with the map’s parallel north/south lines. I prefer this method rather than using a baseplate compass to determine the correct direction to a destination. The same black line is then used to determine the distance to the destination with a map scale. I use mine with a thin black fishing line running through the center (punch two small holes, one hole 1.0 cm above the center toward N and another hole at the center of the protractor, thread the line through the two holes, with a knot in the first hole and pass the thread through the center hole) to determine the direction angle from a starting position to destination. The protractor is just the right thickness and easy to read. Due to covid 19 shipping can take up to 12 weeks. This 180° protractor has an accurate 6' ruler located at the base, plus a metric scale. Pros: The tip of the compass automatically retracts when closing the compass legs for safe storage.Ĭons: Helix does not come with a case for the set.The Westcott 3.5-inch 360-degree transparent protractor is ideal for use on topographic maps. This 180° protractor has an accurate 6' ruler located at the base, plus a metric scale. The compass includes a small pencil, which can be replaced with another pencil or pen, and can make circles up to 12 inches in diameter. The useful and basic set includes a shatter-resistant protractor and a ruler with measurements in CM and inches. Seamless pattern with mathematical objects, graphs, triangle, Pythagorean theorem, calculator, compasses. Drawing device is an arc divided into degrees to measure the angles and apply them to the drawing Seamless pattern with mathematical objects, graphs, triangle. Measure and draw angles and circles with the Helix Universal Locking Compass and Protractor Set. Transparent plastic protractor on white and sheet in a cell. Helix Universal Locking Compass and Protractor Set Which is the best protractor for your needs? Check out some of our favorites below. In addition to students, protractors are also used by professionals, including those in mechanical and engineering fields. Protractors can be bought on their own or with complimenting items, like a compass, pencil and eraser.īlack Friday Savings %title% List Price: %original_price% Price: %price% You Save: %discount_amount% (%discount_percent%) Shop Now Coupon Code: %coupon_code% SPY may receive a commission. Some protractors include a swinging arm to help students draw angles and some protractors include a ruler along the bottom. The protractor is a measuring instrument that shows degrees up to 180 or can be designed as a full circle. From elementary school until college, math and science students can benefit from a reliable and accurate protractor.Ī protractor is a half-circle device that is typically made from clear plastic or glass. Thankfully, some school staples don’t require significant monetary investments and still provide much-needed help in class. School supplies can quickly add up, leaving students and parents with big bills each year. Helping yourself or your child get the best educational experience often means having the best tools.
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