Math, asked by lohitha3372, 4 months ago

13. In figure, a -
a = 40°. The value of bis
5bd20

Answers

Answered by anshumyadav

0

Answer:

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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