Question

theorem A In the fig line Ef ll side AC If AB=18, AE = 6, Bf = 4 then find BC ​

Answer 1

Step-by-step explanation:

As DE∥BC 

∠ADE=∠ABC

∠AED=∠ACB

So by AAA △ADE∼△ABC

Hence ABAD=ACAE

ACAE=41

6AD=41

AD=1.5cm

So AD=1.5cm 

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Answer 2

$\huge\fbox\pink{✯Answer✯}$

$\huge\boxed{\fcolorbox{purple}{ink}{GIVEN:}}$

• Ef ll side AC
• AB=18, AE = 6, Bf = 4

$\huge\boxed{\fcolorbox{pink}{ink}{TO FIND:}}$

• BC=?

$\huge\boxed{\fcolorbox{red}{ink}{SOLUTION:}}$

• refer the attachment

$BC = 9 \: unit$

$\huge\boxed{\dag\sf\red{Thanks}\dag}$