1,040
edits
Changes
Jump to navigation
Jump to search
Line 70:
Line 70: + + + + + − ===Notes for teachers===
A Trapezium and its properties (view source)
Revision as of 09:35, 17 December 2013
, 09:35, 17 December 2013→Concept #2. Measurements in Trapezium
==Concept #2. Measurements in Trapezium ==
==Concept #2. Measurements in Trapezium ==
===Learning objectives===
===Learning objectives===
# The trapeium contains two parallel sides and two non-parallel sides.
# The area of trapezium is found by viewing it as a parallelogram.
# The area of trapezium is 1/2(a+b)h where a and b are its parallel sides and h is the perpendicular distance between them.
# The perimeter of a trapezium is obtained by sum of its 4 sides.
===Notes for teachers===
# The area of most figures can be expressed in terms of its dimensions.
# The area of most figures can be expressed in terms of its dimensions.
# The area of most composite figures can be calculated using the area of primary figures.
# The area of most composite figures can be calculated using the area of primary figures.
===Activity No # ===
===Activity No # ===
{| style="height:10px; float:right; align:center;"
{| style="height:10px; float:right; align:center;"