AC Lim's answer to Shushi's Primary 5 Maths Area & Volume Singapore question.

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AC Lim
Ac Lim's answer
12426 answers (A Helpful Person)
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Hope this helps
Shushi
Shushi
4 years ago
Hi ac lim, for B why is it 23x5 and not 23x10?
AC Lim
AC Lim
4 years ago
Total have 2B.
If you calculate 1B is ½ × 23 × 5 than ×2 =115
If you calculate 2B is ½ × 23 × 10 =115

It depend on your calculation. Total 2B should be 115.

Hope this helps
Shushi
Shushi
4 years ago
Sorry.. but the triangle length is 10cm.
How come the shaded length becomes 5cm instead of 10cm?
AC Lim
AC Lim
4 years ago
I have upload another working for area B...
Shushi
Shushi
4 years ago
Thanks, ac Lim!