Click to see a step-by-step guide. STEP 1: Use the ruler to draw a diagonal line from the bottom right corner of the paper to the top left corner. Mark the 90° right angles in the bottom left and ...
Add the two known angles together. Subtract the total from \(180^\circ\). STEP 1: Use the ruler to draw a straight horizontal line, draw a diagonal line from the end of the horizontal line ...
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