SG chevron_right Primary 6 chevron_right Number and Algebra
P6, please help and thanks in advance.
a) no. of cubes = 84 + 9 × 9 = 165 no. of faces = 5 × 5 = 25 b) no. of unpainted cubes = (n-1) × n × (4n+1) ÷ 3 (10-1) × 10 × (4×10+1) ÷3 = 1230
SG chevron_right Primary 6 chevron_right Geometry
How to do this queestion
Angle bdc is 90. Take 180 - 90 - 41 u will get ans for (a) (B) is also 90.
Wat level is this?
P6
SG chevron_right Primary 6 chevron_right Measurement
P6 Math, kindly please help. Thank you very much.
Thank you Lee AG n Raymond Ng for your help.
The difference in area between Y and X = (1/4 × pi × 40 × 40) - (40 × 20) - (1/2 × 20 × 20) = 256 square cm
not getting it. wht is 40×20
Hi Xavier Sng , may I know why need to use 1/2 x 20 x 20 ?
yes why
I will draw a diagram to explain.
thk u
Hope this help.
Thank you Lee AG n Xavier Sng for your clear explanation n help. I understand now. Have a great weekend.
It is my pleasure. You have a brilliant rest day too. Regards
No problem. Enjoy your weekend.
SG chevron_right Primary 5 chevron_right Number and Algebra
Making it visual...
Thank you for your generous sharing of worked examples...v helpful indeed!