Image caption, 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 is 135° because it is midway between 90 ...

What you need: ruler, protractor, pencil and paper. Use these to construct a triangle when you know the length of 1 side and the 2 angles at each end of it. In this case use the length 8 cm ...

your instructor or textbook will tell you the total sum so that you can use that value to calculate any unknown angles. Otherwise, you'll need a manual tool such as a protractor to measure the ...

Who knew you had a protractor in your toolbox all along ... 8 Hammer Types And When To Use Them The way @woodshopdiaries marks her angles using marks on the hypotenuse side (the longest side ...