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Unit 8 Vocabulary

Name: ___________________________________
Date: __________________ Period: ____________
Due Date: April 5, 2019       Last Day: April 10, 2019
Across
(p. 871) Remember that in probability, the set of all possible outcomes of an experiment is called the ______ space.
(p. 903) The sum of the angle measures of a spherical triangle is _______ than 180.
(p. 904) The area of spherical △ABC on a sphere with radius r is A = (πr²/180°) [m∠A + m∠B + m∠C - 180°].
(p. 834) The surface area of a regular _______ with lateral area L and base area B is S = L + B, or S = (1/2)Pℓ + B.
(p. 815) A(n) ___ is a diagram of the surfaces of a three-dimensional figure that can be folded to form the three-dimensional figure.
(p. 826) The surface area of a right ________ with lateral area L and base area B is S = L + 2B, or S = 2πrh + 2πr².
(p. 728) To find the area of a given ______, consider a regular polygon that is inscribed in the ______. As you increase the number of sides of the polygon, the area of the polygon gets closer to the area of the ______.
(p. 901) If the plane passes through the center of the sphere, the cross section is a(n) _____ circle.
(p. 725) To find the circumference of a given circle, consider a regular polygon that is inscribed in the circle. As you increase the number of sides of the polygon, the _________ of the polygon gets closer to the circumference of the circle.
(p. 724 / Formula Chart) _____________ = 2πr
(p. 836) The lateral area of a right ____ with radius r and slant height ℓ is L = πrℓ.
(p. 735) Arc ______ is understood to be the distance along a circular arc measured in linear units (such as feet or centimeters).
(p. 871) Geometric probability is used when an experiment has a(n) ________ number of outcomes.
(p. 871) In geometric ___________, the ___________ of an event is based on a ratio of geometric measures such as length or area.
(p. 892) The _______ is the distance from the center to a side.
(p. 724 / Formula Chart) ____ = πr²
(p. 861) Some composite figure are made up of shapes whose areas are __________ from the area of another shape.
(p. 845) You can derive the formula for the surface area of a sphere with radius r by imagining that it is filled with a large number of pyramids, whose ______ all meet at the center of the sphere and whose bases rest against the sphere's surface.
(p. 743) A sector is named by the _________ of the arc and the center of the circle.
The arc length, s, of an arc with measure m° and radius r is given by the _______ s = (m/360)⋅2πr.
(p. 882) In a non-proportional dimension change, you do not use the same _______ to change each dimension of a figure.
(p. 823) _______ area is the total area of all the faces and curved surfaces of a three-dimensional figure.
(p. 834) The lateral area of a regular pyramid with perimeter P and _____ height ℓ is L = (1/2)Pℓ.
Down
(p. 892) A(n) _______ angle of a regular polygon has its vertex at the center, and its sides pass through consecutive vertices.
(p. 735) A(n) ___ is an unbroken part of a circle consisting of two points called the endpoints and all the points on the circle between them.
(p. 871) Any set of outcomes is called a(n) _____.
(p. 727) ________ = 2r
(p. 903) Through a point not on a line, there is no line ________ to the given line.
(p. 859) To find the area of a composite figure, find the areas of the simple shapes and then use the Area Addition _________.
(p. 846) The surface area of a(n) ______ with radius r is given by S = 4πr².
(p. 883) In a(n) ____________ dimension change, you use the same factor to change each dimension of a figure.
(p. 892) The _______ of a regular polygon is the point that is equidistant from the vertices.
(p. 735) The arc ______ measure of the entire circle is 360°.
(p. 903) _________ geometry describes figures in a plane. Non-_________ geometry describes figures on curves surfaces such as the sphere.
(p. 743) A(n) ______ of a circle is a region bounded by two radii and their intercepted arc.
(p. 881) Changes made to the __________ of a figure can affect the perimeter and area.
(p. 738) The constant of proportionality for the proportional relationship is (m/360)⋅2π. This constant of proportionality is defined to be the ______ measure of the angle.
(p. 826) The lateral area of a cylinder is the area of the curved surface that ________ the two bases. The lateral area of a right cylinder with radius r and height h is L = 2πrh.
(p. 823) The _______ area of a prism is the sum of the areas of the lateral faces.
(p. 859) A(n) _________ figure is made up of simple shapes, such as triangles, rectangles, trapezoids, and circles.
(p. 824) The surface area of a _____ prism with lateral area L and base area B is S = L + 2B, or S = Ph + 2B.
(p. 816) Recall that a _____ section is a region of a plane that intersects a solid figure.
(p. 892) The area of a(n) _______ polygon with apothem a and perimeter P is equal to (1/2)aP.
(p. 744) The area A of a sector with central angle of m° of a circle with radius r is _____ by A = (m/360)⋅πr².
(p. 824) The lateral area of a right _____ with height h and base perimeter P is L = Ph.
(p. 836) The surface area of a right cone with lateral area L and ____ area B is S = L + B, or S = πrℓ + πr².