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Calculate the area of this shape.
Mathematics 0580 · IGCSE · Compound shapes and parts of shapes
Compound shapes and parts of shapes — practice question
The figure shows a composite shape formed from a square and four congruent isosceles triangles. The square has side length 7.8 cm. The overall height from the top of the upper triangle to the bottom of the lower triangle is 14 cm. The diagram is marked NOT TO SCALE.