Page 162 - Math Smart - 7
P. 162
Lines
n 1 Parallel lines
Intersecting lines Perpendicular lines
Transversal lines
Angles are formed when a transversal
crosses two or more parallel lines.
The angles in matching colours are
equal in size.
Properties in triangles and quadrilaterals
Name Shape Sides Angles Name Shape Sides Angles
All sides All Two pairs Opposite
Scalene
different angles Parallelogram of equal angles
triangle
lengths different sides equal
Two Two Four Opposite
Isosceles
equal equal Rhombus equal angles
triangle
sides angles sides equal
Three All All sides All
Equilateral
equal angles Trapezium different angles
triangle
sides 60° lengths different
Four All Two Two pairs
Isosceles
Square equal angles equal of equal
trapezium
sides 90° sides angles
n II
Two
All Two pairs One pair
pairs of
Rectangle angles Kite of equal of equal
equal
90° sides angles
IL sides
Angles and Their Properties
