First Book of Mathematics

ABCD acres acute angle added algebra altitude angle equal angular points base called centre chord circle circumference clear construct contained denotes describe diagonal diameter difference distance divide divisor draw drawn ends equal angles equation equidistant Exercises expressed feet figure Find the area foot formula four geometrical given angle given line given point given square given straight line given triangle gives half hexagon hypotenuse inches inscribed Join known length less letters mark means measure meet multiply Note opposite sides parallel parallel lines parallelogram perpendicular placed plane poles preceding Problem produced proportion quadrilateral quantity radius ratio rectangle regular polygon respects right angles right-angled triangle rood round rule sides sides equal similar square square root subtracted surface taken tangent term third truth unknown whole yards