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PSLE Mathematics

Question post on Sat, 01/09/2018 2:33am

Hi Shifus, appreciate your help with this question. Thank you in advance.

Source: Haig Girls’

hanconst · Answer 1 · Post on Sat, 01/09/2018 10:15am

hanconst Post on Sat, 01/09/2018 10:15am

6*6*3.14 / 2 + 2.5*2.5*3.14 – ( 6.5*6.5*3.14 / 2 – 12 * 5 / 2 ).

I’m sure you can understand the above.

THW · Answer 2 · Post on Sat, 01/09/2018 10:38pm

6*6*3.14 / 2 + 2.5*2.5*3.14/2– ( 6.5*6.5*3.14 / 2 – 12 * 5 / 2 ) = 30

You missed out a divide by 2 in your formula.

altp10 · Answer 3 · Post on Sat, 01/09/2018 1:22pm

altp10 Post on Sat, 01/09/2018 1:22pm

Yes I understand. Thank u very much