Respuesta :

I can answer only 1st coz I have no idea about 2nd problem..

Here Hypotenuse is 5

[tex]c{}^{2} = a {}^{2} + b {}^{2} [/tex]

a =x

b =4

c = 5

5 square =x square +4 square..

25 =x square+16

25 -16 =x square

9 =x square..

√9 = x

3 = x..

If this answer helps you plz mark as brainlist..

Answer:

1. Option a

3.option a

Step-by-step explanation:

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