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Question
primary 5 | Maths
| Rate & Ratio
2 Answers Below
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Dont under the question
Date Posted: 3 years ago
Views: 382
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Hope this helps
Date Posted:
3 years ago
There's been a misinterpretation of the question. The ratio is for the areas of the whole rectangle to the shaded area to the whole square instead of just the unshaded parts.
Area of square B = 3 units
3 units = 36 cm²
1 unit = 36 cm² ÷ 3
= 12 cm²
Area of whole figure
= Area of rectangle A + area of square B - shaded area
= 5 units + 3 units - 1 unit
= 7 units
= 7 x 12 cm²
= 84 cm²
Area of square B = 3 units
3 units = 36 cm²
1 unit = 36 cm² ÷ 3
= 12 cm²
Area of whole figure
= Area of rectangle A + area of square B - shaded area
= 5 units + 3 units - 1 unit
= 7 units
= 7 x 12 cm²
= 84 cm²
The numbers inside the figures would be 4 , 1, 2 instead.
Ah... Yes.
Total area of rectangle A =5u
Total area of square B = 3u
Shaded area = 1u
Whole figure A:shaded: B = 4:1:2
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@Mimi, Refer to J comments for correct answer.
@J Thank you for highlight :)
Total area of rectangle A =5u
Total area of square B = 3u
Shaded area = 1u
Whole figure A:shaded: B = 4:1:2
...
....
.....
@Mimi, Refer to J comments for correct answer.
@J Thank you for highlight :)
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Correction. Hope this helps
Date Posted:
3 years ago
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