No 1,2,3,dan 4 Tolong bantu y kk

1.B
2.A
[tex] \sqrt{ {15}^{2} + {8}^{2} } = \sqrt{225 + 64} = \sqrt{289} = 17[/tex]
3.A
[tex]ac = \sqrt{ {25}^{2} - {24}^{2} } = \sqrt{625 - 576} = \sqrt{49} = 7[/tex]
4.B

[tex]pq = \sqrt{ {20.5}^{2} - {4.5}^{2} } = \sqrt{420.25 - 20.25} = \sqrt{400} = 20 [/tex]



semoga membantu :)