In the diagram above. |AB| = 12cm, |AE| = 8cm, |DCl = 9cm...
In the diagram above. |AB| = 12cm, |AE| = 8cm, |DCl = 9cm and AB||DC. Calculate |EC|
10cm
9cm
8cm
7cm
6cm
Correct answer is E
|AB| = 12 cm; |DC| = 9 cm; |AE| = 8 cm.
Δ ABE and Δ EDC are similar triangles. Hence,
|AB||DC|=|AE||EC|
129=8|EC|
∴
= 6 cm
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