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primary 6 | Maths | Data Analysis
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Norain
Norain

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

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Date Posted: 4 years ago
Views: 254
snell
Snell
4 years ago
RT = 10
RS: u
ST = 10 - u

area QRTU = 10 x QR

area QSU = 0.5 x 8 x 6 = 24

area STU = 0.5 x (10 - u) x QR
= 5QR - 0.5u x QR

area QRS = 0.5 x QR x u
= 0.5u x QR

areas QSU + STU + QRS
= 5QR - 0.5u x QR + 0.5u x QR + 24
= 5QR + 24

QRTU = QSU + STU + QRS
10 QR = 5QR + 24
QR = 24/5 = 4.8 cm


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AC Lim
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