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Hatshy [7]
3 years ago
15

What is the length of AC?

Mathematics
2 answers:
Helen [10]3 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]3 years ago
7 0
The length of AC is 126 units.
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