Find the value of x in the given figures.
D
Х
50°
35°
a. B
Answers
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Step-by-step explanation:
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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