New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    In triangle ABC, points D and E are on AB and AC

    respectively such that DE is parallel to BC. If AD = 6 cm, DB = 4 cm, AE = 9 cm, then the length of EC (in cm) is: 
    A 7 Correct Answer Incorrect Answer
    B 6.4 Correct Answer Incorrect Answer
    C 6 Correct Answer Incorrect Answer
    D 5.5 Correct Answer Incorrect Answer

    Solution

    1. Using similarity △ADE ∼ △ABC, set up the ratio. 2. Solve for EC using proportions.

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