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From Karnataka Open Educational Resources
→Activity No # Polygon's table of values.
*Materials/ Resources needed:
*Materials/ Resources needed:
*Prerequisites/Instructions, if any:
*Prerequisites/Instructions, if any:
# The students should know to draw different polygons and their names.
# They should have the requisite formulae needed to do the calculations.
# They should have the skills to perform and tabulate calculations accurately.
*Multimedia resources:
*Multimedia resources:
*Website interactives/ links/ / Geogebra Applets:
*Website interactives/ links/ / Geogebra Applets:
Please refer to this website for more clarity on this activity :http://www.mathsisfun.com/geometry/regular-polygons.html
*Process:
*Process:
# Use the formulas listed in learning objectives above to make a table of Side, Apothem and Area, compared to a Radius of "1":
# Use the formulas listed in learning objectives above to make a table of Side, Apothem and Area, compared to a Radius of "1":
[[File:Table.jpeg|800px]]
[[File:Table.jpeg|800px]]
*Developmental Questions:
*Developmental Questions:
# Name the types of polygons based on their sides.
# What is a regular polygon ?
# How many sides does a ______________ have ?
# What is an interior angle ?
# Is there any relationship between the number of sides and number of angles ?
# what radius has been mentioned here as common for all ?
# What is an apothem ?
# How do you get the central point of a polygon ?
# What is the formula to find the area of a polygon ?
*Evaluation:
*Evaluation:
*Question Corner:
# Which measuring parameter do you think is the deciding factor for the area of a polygon ?
*Question Corner
# Can you find the listed measures like interior angle, area without using the formula ? How ? Discuss.
===Activity No # ===
===Activity No # ===
