Math, asked by bhaiyalalv267, 17 days ago

B If AB || DE, find the value of x. 4. A 30° B С 40° D E

Answers

Answered by chaudharybrijpalsing

0

Answer:

Solution

If DE∣∣AB, then ΔCDE∼ΔABC

By property of similar triangles:

AC

CD

=

BC

CE

⟹

4x+22

x+3

=

4x+4

x

Cross-multiplying:

(x+3)(4x+4)=x(4x+22)

⟹4x

2

+16x+12=4x

2

+22x

12=6x⟹

x=2

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