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primary 5 | Maths
| Fractions
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Im not sure about this, please help me, thank you so much
Date Posted: 4 years ago
Views: 606
Total area = 6/63 = 2/21
Shaded rectangle = 7
Total of rectangle = 12
Therefore, shaded area= 6/63 x 7/12
= 7/126 cm^2
= 1/18 cm^2
Shaded rectangle = 7
Total of rectangle = 12
Therefore, shaded area= 6/63 x 7/12
= 7/126 cm^2
= 1/18 cm^2
I’m sorry, I’m not sure how do you solve this? Thank you
Your first step is correct.
3/21 x 7/12 = 1/12cm^2
3/21 x 7/12 = 1/12cm^2
Thank you so much all !
Take note, 6/63 = 2/21
See 1 Answer
Hi Amir, you can count that there are 7 boxes that are shaded out of total 12 boxes.
So the shaded area will be 7/12 of total area of the rectangle
Total area = 3/7 x 2/9 = 6/63 = 3/21
Shaded area = 7/12 x 3/21 = 1/12
So the shaded area will be 7/12 of total area of the rectangle
Total area = 3/7 x 2/9 = 6/63 = 3/21
Shaded area = 7/12 x 3/21 = 1/12
Thank you so much!
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