Angle of elevation, 416

Angle of inclination, 531

Angle measure, 75

Angles between lines, 506

Angles in a triangular flower garden, 631

Area of a backyard, 566

Area of a circle, 155

Area of an isoceles triangle, 577

Area of office space, 102

Area of a parallelogram, 567

Area of a quadrilateral, 567

Area of a sandbox, 630-631

Area of squares, 816

Area of a triangular garden, 564-565

Banner design, 756

Carpet area, 107

Diagonals of an n-gon, 836

Dimensions of a box, 222, 758

Dimensions of a piece of land, 752

Dimensions of a rectangle, 788

Dimensions of a rug, 188

Dimensions of a sail, 577

Garden dimensions, 76

Gas tank volume, 108

Graphic design, 756

Inscribed pentagon, 415

Inscribed rectangle, 162

Inscribed rhombus, 107

Isosceles trapezoid, 577

Legs of a right triangle, 221

Lengths of the sides of an isosceles triangle, 631

Lines and triangles from points, 835

Maximizing area, 194-195, 200, 201, 223

Maximizing volume, 200, 222

Minimizing surface area, 162, 201

Number of diagonals, 294

Parking lot dimensions, 96

Perimeter, 788

Petting zoo dimensions, 188

Photo dimensions, 756

Picture frame dimensions, 188

Poster dimensions, 76, 188

Radius of a circle, 788

Sidewalk width, 222

Sign dimensions, 756

Surface area of a right circular cylinder, 124

Test-plot dimensions, 76

Triangular flag, 107

Triangular pennant, 165

Volume of a box, 108

Volume of an inscribed cylinder, 110