Accelerated Geometry SAV Practice Name Per/Sec. Date 1. How many faces does an octagonal pyramid have? 2. If the radius of the base of a cylinder is 6 and the height is 3 , find the volume. 3. How many vertices does a hexagonal pyramid have? 4. Find the lateral area of the regular pyramid. 5. Suppose a 3 -4-5 right triangle is revolved about its shorter leg as an axis. Find the volume of the solid. 6. Find the area of a rhombus, if the length of the diagonals are 4 and 1 0. 7. Which of the following is a prism? a) b) c) 8. If the area of a rectangle is 1 00 and the ratio of the length to the width is 4 : 1 , find the width. d) e) Page 2 9. Find the total surface area of a cylinder with radius r = 8 in: and height h = 5 in. 1 0. A metal ball with a hollow, spherical core is cast out of metal. The diameter of the hollow core is 8 in. and the ball' s outermost diameter is 1 0 in. To the nearest tenth of a cubic inch, how much metal was used to cast the ball? 1 1 . A triangle is inscribed in a semicircle. The semicircle has an area of 1 8 . What is the area of the inscribed triangle? 1 2 . A cube has an internal diagonal of length 1 2 . What is the exact volume of the cube? 1 3 . Each side of the base of a regular triangular pyramid measures 8 ft. The slant height makes an angle of 45 with the altitude. Find the total surface area of the pyramid. (Find your answer to the nearest tenth. ) 1 4. The altitude of a cone measures 2 0 units and the slant height measures 2 5 units. Find the total surface area. 1 5 . The silo shown is composed of a hemisphere and a cylinder. The total height of the silo is 2 0 meters and the diameter of the silo is 8 meters. What is the volume of the silo to the nearest cubic meter? 1 6. If the volume of a cube is 8 m! , what is the surface area? Page 3 1 7 . In the diagram, a plane is passed through a sphere at a point that is x units away from the center of the sphere. The radius of the sphere is y units. Express the cross-sectional area of intersection in terms of x and y. 1 8. Eb' s king size waterbed is 2 . 2 meters long, 1 . 87 meters wide, and 2 5 . 65 centimeters thick. If water weighs 2 2 03 . 63 5 lbs per cubic meter, about how much does Eb' s bed weigh when it is filled with water? 1 9. The following are dimensions of two right circular cylinders. All have the same volume . AN?AFJ the one that has 2 0. An arc of a circle measures 45 . If the length of the arc is 2 , what is the area of the circle? a) r = 2 and h = 9 b) r = 2 and h = 1 8 c) r = 3 and h = 8 d) r = 6 and h = 2 e) r = 4 and h = 4 : 5 2 1 . The area of the square in the figure is 1 6. What is the area of the shaded region? 2 2 . If the length of a rectangle is twice the width and the area is 7 2 , find the width. Page 4 2 3 . The bases of a prism are equilateral triangles with sides measuring 6 ft, and the altitude measures 3 ft. Find the volume. 2 4. A satellite is in orbit at a constant distance of 3 00 miles from a tracking station. It is tracked through a 45 arc. How far, in miles, did the satellite travel? 2 5 . If the dimensions of a rectangular prism are 4 by 2 by 3 , then the volume is . 2 6. The shaded rectangle in the diagram was formed by joining two diagonals of the regular hexagon with two sides. If the side lengths of the hexagon are 1 4 cm, what is the exact area of the shaded rectangle? 2 7 . Which of the following is a polyhedron with two congruent bases? 2 8. Find the lateral area of the right prism. a) b) d) e) c) Page 5 2 9. Which of the following is a cone? a) b) d) e) c) 3 0. Find the lateral area of the right circular cylinder. 3 1 . A regular hexagon has a perimeter of 1 2 0 ft. What is the area of this hexagon? 3 2 . What is the diameter in feet of a wheel which, when rotating at a speed of 1 0 revolutions per minute, takes 1 8 seconds to travel 1 5 feet? 3 3 . The altitude of a cone measures 2 0 units and the slant height measures 2 5 units. Find the total surface area. 3 4. A cardboard tube is unrolled to form a rectangle as shown. If the volume of the original tube was 2 00 and the height was 8, what is the area of the rectangle? 3 5 . A pyramid has a square base with sides of length 4 and a height of 8. Find the volume of the pyramid. (Round your answer to the nearest tenth. ) 3 6. A solid figure having congruent circular bases in a pair of parallel planes is a . Page 6 3 7 . Find the F surface area of a sphere whose volume is 4 3 . 3 8. The area of square ABCD is 1 00 and the area of square AGFE is 9. Find the area of square HEBK. 3 9. How many sides of a triangular pyramid are triangles? 40. The bases of a trapezoid measure 1 2 and 1 7 and the height of the trapezoid is 5 . What is the area of the trapezoid? )??AI format version 3 .60B ! ! " # $ % % Answer List & & (& '' )& * ! '& ) & ! 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