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primary 6 | Maths | Measurement
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Khairin
Khairin

primary 6 chevron_right Maths chevron_right Measurement chevron_right Singapore

Please help ASAP thx

Date Posted: 5 years ago
Views: 497

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AC Lim
Ac Lim's answer
13088 answers (A Helpful Person)
1st
Start form plank Q, we know each equal part = 60 (360/6=60)
From here we know plank R each part= 120cm (equal to 2 parts of PlankQ)
Therefore, plank P each part = 80cm

Plank P 3u = plank R 2u( 120x2=240)

Total Length for plank P = 5x80 = 400cm