Question

In the given figure BC = 2DE,
the value of AB : AD is​

Answer 1

Answer:

3:2

Step-by-step explanation:

in Δ abc, de ║ bc,

by BPT,

ad/bd = bc /de

ad/bd = 2/1

∴ ad = 2bd............eq.1

now,

ab = ad + bd                    [sub eq.1]

ab = ad + ad/2

ab = (2ad + ad)/2

ab = 3 ad/2

∴ 2ab = 3ad

ab/ad = 3/2

ab:ad = 3:2

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