Concrete Geometry by the Inductive Method ... |
Common terms and phrases
60 degrees acute angle altitude altitude is 16 apothem axis base chord circum circumference circumscribed Compare complementary angle conical convex surface cubic feet cubic inches cylindrical shell Define diagonal diameter dimensions divided edge entire surface equal angles equiangular polygon equilateral triangle exterior angle find the area Find the entire find the lateral find the solidity find the surface find the volume foot formula for finding frustum given hexagonal pyramid HINT hypothenuse indefinite number inscribed angle intersecting isosceles trapezoid isosceles triangle lateral surface octagon parallelogram Pass a plane pass through space perimeter perpendicular plane parallel prism Prove radii radius rectangle rectangular solid regular hexagon regular polygon respectively rhomboid rhombus right angle right-angled triangle rods sector Show similar cones similar triangles slant-height sphere square feet square inches straight angle straight line Supplementary angles tangent thick triangular pyramid truncated cylinder ungula vertex vertical angle
Popular passages
Page 76 - The areas of two circles are to each other as the squares of their radii. For, if S and S' denote the areas, and R and R
Page 145 - If one angle of a triangle is equal to the sum of the other two, the triangle can be divided into two isosceles triangles.
Page 43 - A ladder 82 ft. long stands close against a building ; how far must it be drawn out at the bottom that the top may be lowered 2 feet?
Page 67 - O as a center. and a radius equal to the radius of the button head, describe a circle.
Page 52 - This is only a corollary of the theorem that the areas of similar triangles are to each other as the squares of their sides.
Page 46 - How many degrees are there in the sum of the angles of each triangle ? How many degrees are there in the sum of the angles of a parallelogram?
Page 158 - A lune is a portion of the surface of a sphere bounded by two semicircumferences of great circles.
Page 104 - The solidities of similar solids are to each other as the cubes of their like dimensions.
Page 48 - Prove that the diagonals of a rhombus bisect each other at right angles.