P2 Maths @ BCPS: T2W6 : How many coins?

T2W6 : How many coins?

Saturday, April 25, 2009 by bcps_maths WeeklyQuiz

Iezaz uses some coins to form a pentagon (a shape with 5 equal sides). There are 5 coins on each side. How many coins does he use?

Lincoln Phay said...: 5x5=25 A pentagon has 5 sides.
5 coins on each side.; April 29, 2009 at 6:11 AM
Ms Lye said...: Hi, Lincoln.

I am glad that you are participating in the Maths Quiz.

The answer is not 25 coins. Do try out the diagram and you will see that you need less than 25 coins.

From Ms Lye; April 30, 2009 at 3:07 AM
Wee Liang Sheng said...: 5 x 5=25
25-5 =20

Ans:He use 20 coins; April 30, 2009 at 6:09 AM
Vickram said...: 3x4=12 A pentagon has 5 sides.
3 coins on each side.; May 9, 2009 at 6:24 PM
Anonymous said...: 5x3=15
15+5=20
total=20 coins

owen nyo; July 1, 2009 at 2:42 AM
celsius chia said...: 5x5=25
25-5=20; July 29, 2009 at 3:27 AM
Nur Liyana Afiqah said...: 5x5=25
25-5=20

Lezaz used 20 coins.; August 5, 2009 at 12:09 AM