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primary 5 | Maths
| Fractions

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The vertical height of the triangle is 4 units Long.

So, area is 1/2 x base x height = 1/2 x 2 x 4 = 4 units2.

Then, the full large square is 4 x 4 = 16 units2.

So, area of unshaded is 16 - 4 = 12 units2.

So, fraction of unshaded area = 12/16 = 3/4.

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