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 Forum Index >  Test Paper Related >  Primary 6 Matters P6 Maths! 2012 Prelims CBS Paper 1 Q15 & Q30
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 By: geniuskids (offline)  Monday, September 09 2013 @ 03:12 AM CDT (Read 735 times)
geniuskids

Hi there, pls refer to the uploaded figures

For Q15, my answer is 3 but answer key is 4.

Pls clear my doubts with solutions! Thanks

For Q30, is there anything missing, answer key has a "F"angle.

Answer key is m=12

Don't understand, pls help!

thank you

Active Member

Registered: 11/12/11
Posts: 169

 By: mumof2boys (offline)  Monday, September 09 2013 @ 04:59 AM CDT
mumof2boys

For Q 30: <ABD = <ADC = 64
<DAB=<DCB= (360 - 64X2)/2 = 116
<BAC=<ACB=116/2=58
<AEC +<ECA +<CAE =180
32 + (58+20) + m+ 58 = 180
m =12

Hope this helps

Newbie

Registered: 08/22/09
Posts: 6

 By: sandragc (offline)  Monday, September 09 2013 @ 05:18 AM CDT
sandragc

ans for 15 should be 3

Newbie

Registered: 08/01/10
Posts: 3

 By: geniuskids (offline)  Monday, September 09 2013 @ 10:36 PM CDT
geniuskids

Hi everyone, thanks , managed to solve these two questions.
'

Many Thanks

Active Member

Registered: 11/12/11
Posts: 169

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