1 Answer

Lamonte · Answer 1 · 2024-04-19T02:56:26+0000

Answer: 4

Explanation:

1.8^2 + x^2 = 3^2

3.24 + x^2 = 9

-3.24 -3.24

x^2 = 2.4

(take square root of each)

x = 2.4 (BD)

Next,

3.2^2 + 2.4^2 = c^2

10.24 + 5.76 = c^2

16 = c^2

(take square root of each)

c = 4

AB = 4

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