Answered

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Please answer both A. and B.


Thank you!

Please Answer Both A And B Thank You class=

Sagot :

Answer: (b)-175 ft

Step-by-step explanation:

In [tex]\triangle ABC\ \text{and}\ \triangle CDE[/tex]

[tex]\angle ACB=\angle ECD\quad [\text{vertically opposite angles}]\\\angle ABC=\angle CDE\quad [\text{Each angle is }90^{\circ}]\\\therefore \triangle ABC \sim\ \triangle CDE\quad [\text{by AA similarity criteria}][/tex]

(ii)for similar triangles, we can write

[tex]\Rightarrow \dfrac{100}{d}=\dfrac{4x}{7x}\\\\\Rightarrow d=100\times \dfrac{7}{4}=175\ ft[/tex]

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