Sarmiento, Felipe M. Plane geometry with basic trigonometry: a simplified approach / Felipe M. Sarmiento - rev. ed. - Manila: Unlimited Books Library Services and Publishing, c2022 - viii, 276p.: ill. Includes bibliographical references ISBN: 978-621-427-099-6 Subjects--Topical Terms: Plane geometryTrigonometry Dewey Class. No.: Fil. 516.22 Sa246 2022