(p. 572) Right triangles can often be solved using _________ methods.
(p. 572) If using calculated measures to find other measures in a right triangle, be careful not to _____ values until the last step.
(p. 558) The ________ of a square forms two congruent isosceles right triangles.
(p. 560) In a 30°-60°-90° triangle, the length of the hypotenuse h is ___ times the length of the shorter leg s, and the length of the longer leg ℓ is √(3) times the length of the shorter side.
(p. 580) An angle of ___________ is the angle formed by a horizontal line and an observer's line of sight to an object below the horizontal line.
(p. 560) So the shorter leg in a 30°-60°-90° triangle is opposite the 30° angle, and the ______ leg is opposite the 60° angle.
(p. 568) The word trigonometry comes from two Greek terms, trigon, meaning triangle, and metron, meaning _______.
(p. 568) A(n) _____________ ratio is a ratio of the lengths of two sides of a right triangle.
(p. 567) ____________ is the study of the patterns in all right triangles.
(p. 571) If you know the sine, cosine, or tangent of an acute angle, you can use a calculator to find the measure of the angle, which is the _______ of the trigonometric ratios.
(p. 558) Since the base angles of a(n) _________ triangle are congruent, the measure of each acute angle is 90 ÷ 2 or 45.
(p. 570) Be sure your graphing calculator is in _______ mode rather than radian mode.
(p. 568) The word trigonometry comes from two Greek terms, trigon, meaning ________, and metron, meaning measure.
(p. 569) SOH-CAH-TOA is a(n) ________ device for learning the ratios for sine, cosine, and tangent using the first letter of each word in the ratios.