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## Question

primary 5 | Maths
| Area & Volume

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I really need help with this question asap . I little tricky

Since triangle area = ½ x base x height,

Area of shaded triangle

= ½ x length of square x length of square

= ½ x area of square

So ½ x area of square = 50cm²

Area of square = 50cm² x 2 = 100cm²

Now 100cm² = 10cm x 10cm

This means the square has length of 10cm

(I.e area of square = 10 cm x 10cm)

Since all 4 sides of a square have the same length,

Perimeter = 4 x 10cm = 40cm

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