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primary 5 | Maths
| Area & Volume
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Date Posted: 3 years ago
Views: 648
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Short answer : 48 + 48 + 32 + 32 = 160
If you want the explanation, leave a comment.
If you want the explanation, leave a comment.
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Explained, pay attention on my highligter and my explanation.
Date Posted:
3 years ago
Thank you for the explanation.
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All 4 sides of a square are equal in length.
So PQ = QR = SR = PS
But the other two are rectangles (ABQP and SRCD)
Opposite sides of a rectangle are equal in length.
So AB = PQ, BQ = AP
SR = DC, RC = SD
When you compare them you'll realise that :
AB = PQ = QR = SR = DC = PS
Then AB + AP = QR + BQ = 32cm
DC + RC = PS + SD = 48cm
Total = PS + SD + DC + RC + QR + BQ + AB + AP
= 48 cm + 48 cm + 32 cm + 32 cm = 160 cm