Question

Pleaseee helppp thank you

Answer 1

The Answer is (3,21)

Answer 2

Answer:

3,21

Step-by-step explanation:

$(4,2)^{2} = (2,7)^{2} + z^{2} \\1764 * 10^{-2} = 729 * 10^{-2} + z^{2}\\z^{2} = 1035 * 10^{-2}\\z = 3\sqrt{115} * 10^{-1}$

z ≅ 3 * 10,7 * $10^{-1}$≅ 3,21