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What is the length of AC?

What is the length of AC?
asked 61.4k views
1 vote
What is the length of AC?

What is the length of AC?-example-1
asked
User RAmAnA
by
7.6k points

1 Answer

2 votes

Answer:

Explanation:

the triangles are proportional

9/81=1/3

140-x/x=1/3

3(140-x)=x

420-3x=x

4x=420

x=420/4 = 105

answered
User Andrew Merrill
by
8.3k points
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