Regina Lim
Asked 8 years ago

SG chevron_right Primary 5 chevron_right Measurement

Sorry can anyone help us out?

Replies 5
Janaki Krishnan

let CF=FE=EB= a units. Area of ABC = 1/2XBASEXHEIGHT = 1/2X 3aX AF square units. but considering ACF as triangle , using area formula 1/2XCFXAF =27.4 squareunits. a X AF=54.8 Square units. so, AF = 54.8/a. Substitute in the area of triangle ABC=1/2X 3a X54.8/a = 82.2 square units.

5 years ago
Xavier Sng

5 years ago
Regina Lim

Thank you janaki and Xavier.

5 years ago
Raymond Ng

5 years ago
Xavier Sng

Happy to help. Regards

5 years ago

Serene Teo
Asked 8 years ago

SG chevron_right Primary 5 chevron_right Number and Algebra

Appreciate if someone can advise me how to solve these questions

Replies 4
Chong Ji Lian

5 years ago
Xavier Sng

5 years ago
Serene Teo

Thanks !!!

5 years ago
Xavier Sng

Happy to help. Regards

5 years ago

Joanne Chua
Asked 8 years ago

SG chevron_right Primary 3 chevron_right Number and Algebra

Pls advise is that correct?

Replies 1
Roses Myna

The ans is correct

5 years ago

Stella Lee
Asked 8 years ago

SG chevron_right Primary 5 chevron_right Number and Algebra

P5 qn, pls help,TIA

Replies 2
Richard Gavina

5 years ago
Richard Gavina

In Real life, their is no 24 cents.. It must be 8.25 dollars

5 years ago

Jesline Syc
Asked 8 years ago

SG chevron_right Primary 3 chevron_right Number and Algebra

Pls help on p3 maths.. Why 2nd step is not divided by 4

Replies 12
Johanis Rifaeh

85-25=60 60/4=15 15x2=30 30+25=55

5 years ago
Johanis Rifaeh

5 years ago
Jesline Syc

Teacher said step 2 wrong... Not divided by 4.. Why?

5 years ago
Marcus Ng

Paul and Nadia together have 85 more stickers than Jim. Paul and Nadia have a total of 6u+25 Jim has 1u So 5u+25 = 85 5u=60 1u=12

5 years ago
Jesline Syc

I see... Thanks all

5 years ago
Jesline Syc

How a modulus should be draw?

5 years ago
Jesline Syc

I see.. Thanks thanks

5 years ago
Zhong Shu Hao

omg Jesline Syc.... You mean "model", not "modulus" right?

5 years ago
Zhong Shu Hao

modulus is a totally different thing in math XD

5 years ago
Jesline Syc

Yes yes model

5 years ago
Jesline Syc

Typo error

5 years ago
Richard Gavina

5 years ago

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