A math brain teaser that's probably easy for all of you, but which has stumped me for a while. How do they know how tall the pyramids are? I know you can use tangent to determine height **if you know ...
It may be necessary to use Pythagoras' theorem and trigonometry to solve a problem. The shape ABCDEFGH is a cuboid. Length AB is 6 cm, length BG is 3 cm and length FG ...
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