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I not sure if this is the right answer

I not sure if this is the right answer-example-1
User M Azeem N
by
8.1k points

1 Answer

7 votes

Answer:

4.9
answer choice 3

Explanation:

There really is no need to solve this using any mathematical techniques

KJ must lie between 4 and 5.8 - it cannot be greater than 5.8

There is only one answer choice that fits and that is the third option 4.9

If you really wanted to go through the exercise, let x denote the length KJ

Then by congruence we get
x/4 = 5.8/x

Cross-multiplying we get x² = 4 x 5.8

x² = 23.2

x = √23.2 which is 4.8166

rounded up it becomes 4.9

User Kenny Yap
by
8.2k points

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