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4. Triangles
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Q23 of 186 Page 263

In ΔABC, DE || BC so that AD = 2.4 cm, AE = 3.2 cm and EC = 4.8 cm. Then, AB = ?

By Basic Proportionality Theorem


If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio. ..


In Δ ABC, DE ∥ BC




DB = 3.6 cm


AB = AD + DB


AB = 6 cm

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Questions · 186
4. Triangles
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