4 years ago

What is the length of AC?

Mathematics

2 answers:

Helen [10]4 years ago

8 0

Answer:

The answer to your question is: AC = 126

Step-by-step explanation:

Use the Thales' theorem

$\frac{140 - x}{81} = \frac{x}{9}$

9(140 - x) = 81x

1260 - 9x = 81x

1260 = 81x + 9x

1260 = 90x

x = 1260/90

x = 14

AC = 140 - 14

AC = 126

Helga [31]4 years ago

7 0

The length of AC is 126 units.

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