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THE XIII. CONCLVSION. If you haue a line appointed, and a pointe in it limited, howe you maye make on it a righte lined angle, equall to an other right lined an∣gle, all ready assigned.
Fyrste draw a line against the corner assigned, and so is it a triangle, then take heede to the line and the pointe in it assi∣gned, and consider if that line from the pricke to this end bee as long as any of the sides that make the triangle assigned, and if it bee longe inoughe, then prick out there the length of one of the lines, and then woorke with the other two lines, accor∣dinge to the laste conclusion, makynge a triangle of thre like lynes to that assigned triangle. If it bee not longe inoughe, thenne lengthen it fyrste, and afterwarde doo as I haue sayde beefore.
Example.
Lette the angle appoynted
Fyrste therefore by drawinge the line A.C, I make the tri∣angle A.B.C.
Then consideringe that D. G, is longer thanne A.B, you shall cut out a line frō D. to∣ward