An angle is measured in degrees ... so it's less than 90°. Image caption, Find the base line on the protractor (it's marked 0° at one end and 180° at the other end).

the minimum accuracy of the angle is 1 degree, each 10 degrees have a clear line to distinguish Clear and good quality: the protractor made of good quality plastic; Clear color allow you see the ...

In many textbooks, as well as engineering documents, 90-degree corners ... value to calculate any unknown angles. Otherwise, you'll need a manual tool such as a protractor to measure the exact ...

Angles are measured in degrees with the symbol ... An obtuse angle is between 90° and 180°. Both of these angles are obtuse. Without using a protractor, a good estimate for the first angle ...