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primary 5 | Maths | Angles & Geometry
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Adi Bahaiqi
Adi Bahaiqi

primary 5 chevron_right Maths chevron_right Angles & Geometry chevron_right Singapore

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Date Posted: 3 years ago
Views: 236

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Area of PQRS = 15 x 20
= 300cm2
Triangle QRS = 300 ➗2 = 150cm2(1/2 of PQRS)
1/2 x base x height = 150cm2
1/2 x 25 x height = 150cm2
25 x height = 300
Height = 300 ➗2
= 12cm

Ans: 12cm
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