Question

In ∆ABC, DE|| AB, BC=6.4 cm., AD =5cm DC=3. Find BE.​

Answer 1

Refer the attachment ❤️

Answer 2

Given :- In ∆ABC, DE|| AB, BC=6.4 cm., AD =5cm DC=3. Find BE.

Solution :-

we have given that, In ∆ABC, DE|| AB, so using BPT , we get,

→ DC/ AD = CE / EB

putting values we get,

→ 3 / 5 = CE / EB

→ CE : EB = 3 : 5

then,

→ CE + EB = 3x + 5x = 8 units .

→ CB = 8x units .

therefore,

→ 8x = 6.4

→ x = 0.8

hence,

→ BE = 5x = 5 * 0.8 = 4 cm. (Ans.)

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