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Unit 5A Vocabulary

Name: ___________________________________
Date: _______________ Date Due: ____________
Zero: _______________ Period: ______________
Across
(N #5A-2) The last step when multiplying or dividing radicals is to ________ the resulting radical.
(p. 637) A Pythagorean _______ is a set of positive integers, a, b, and c that satisfy the equation a² + b² = c².
(N #5A-1) When adding or subtracting radicals, you add/subtract the numbers ________ the radical together.
(p. 615) The side that ________ the adjacent and opposite legs is the hypotenuse.
(p. 597) The ____________ Theorem: In a right triangle, the square of the sum of the lengths of the legs is equal to the square of the length of the hypotenuse.
(p. 595) The ________ to the hypotenuse of a right triangle forms two right triangles that are similar to each other and to the original triangle.
(N #5A-1) When adding or subtracting radicals, the number _______ the radical stays the same.
(N #5A-1) The ________ is the number inside the radical
(p. 595) The length of a(n) ___ of a right triangle is the geometric mean of the lengths of the hypotenuse and the segment of the hypotenuse adjacent to that ___.
(N #5A-3) The hypotenuse is always the longest side of the triangle because the side is _________ the largest angle.
(p. 634) In a 30°-60°-90° triangle, the hypotenuse is ______ as long as the shorter leg and the longer leg is √3 times as long as the shorter leg.
Down
(N #5A-2) When multiplying or dividing radicals, the radicands (the numbers inside the radicals) DO ____ have to be the same.
(p. 615) The side _________ ∠A is the leg that does not form a side of ∠A.
(p. 594) The geometric ____ of two positive numbers is the positive square root of their product.
(N #5A-1) To add or subtract radicals, the radicands (the numbers inside the radicals) must be the _____.
(p. 634) In a 45°-45°-90° ________, the hypotenuse is √2 times as long as each leg.
(N #5A-3) It is key when solving word problems to always draw a _______.
(N #5A-1) The 5th step to simplifying radicals is to rewrite the radical using the prime _______.
(p. 595) The length of the altitude to the __________ of a right triangle is the geometric mean of the lengths of the segments of the __________.
(p. 615) The side _________ to ∠A is the leg that forms one side of ∠A.
(N #5A-1) We use prime numbers to simplify ________.
(N #5A-1) We use ______ numbers to simplify radicals. Examples of _____ numbers include 2, 3, 5, 7, 11, 13, 17, etc.
(N #5A-2) When dividing radicals, ________ the numbers both inside and outside the radical first.
(N #5A-1) You can only add or subtract ____ terms.