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, and the ...
A technician often has to sketch or design ductwork and the other parts of an HVAC system. Sometimes you have to sketch the room or building you are working with. This means working with lines, angles ...
ViHart's latest video reminds us once again of the value of idle hands. In it, she demonstrates how easily our humble appendages can make us look like fiddly geniuses – or at least like common math ...
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