Plane Geometry: And Supplements |
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Page 113
... triangle , do not draw a right triangle , isosceles triangle , or equilateral triangle . ( 3 ) Decide upon the hypothesis and conclusion . ( a ) If the theorem is stated in the if - then form , the hypothe- sis and conclusion are ...
... triangle , do not draw a right triangle , isosceles triangle , or equilateral triangle . ( 3 ) Decide upon the hypothesis and conclusion . ( a ) If the theorem is stated in the if - then form , the hypothe- sis and conclusion are ...
Page 116
... equilateral . C Then BC must equal BА . 1. What kind of triangle is △ RST if ∠R = 50 ° and ZS = 80 ° ? 2. One angle of an isosceles triangle equals 60 ° . Prove that the triangle is equilateral . A 3. One acute angle of a right triangle ...
... equilateral . C Then BC must equal BА . 1. What kind of triangle is △ RST if ∠R = 50 ° and ZS = 80 ° ? 2. One angle of an isosceles triangle equals 60 ° . Prove that the triangle is equilateral . A 3. One acute angle of a right triangle ...
Page 403
... triangle ABC to sides AB , BC , and B AC , respectively , prove that E F P C D AF2 + BD2 + CE2 = AE2 + BF2 + CD2 . 198. One side of an isosceles triangle is 16 in . and the base is 10 in . How long is the altitude drawn to the base ...
... triangle ABC to sides AB , BC , and B AC , respectively , prove that E F P C D AF2 + BD2 + CE2 = AE2 + BF2 + CD2 . 198. One side of an isosceles triangle is 16 in . and the base is 10 in . How long is the altitude drawn to the base ...
Contents
g The optional units from analytic geometry are included for three | 1 |
LinesAnglesPlanes | 11 |
W W | 24 |
Copyright | |
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Common terms and phrases
ABCD acute angle adjoining figure altitude angle formed angles are equal apothem bisector bisects central angle chord conclusion congruent Construct converse coplanar corresponding sides diagonals diameter dihedral Draw drawn equal circles equidistant equilateral triangle exercises extended exterior angle figure for Ex Find frustum geometry given hypotenuse Hypothesis Informal proof inscribed intersect isosceles trapezoid isosceles triangle kind of angle lateral area length locus of points mean proportional measure meeting mid-point opposite sides parallel parallelogram perimeter perpendicular perpendicular-bisector Plan plane plane geometry Post postulate prism Prove pyramid quadrilateral radii radius ratio rectangle regular polygon rhombus right angle right circular right triangle secant segment similar sphere square Statements straight line Suggestion tangent theorem trapezoid trihedral angle vertex vertical angles Нур