Răspuns :

Biancaionica06id

Explicație pas cu pas:

[tex] \frac{a}{b} = \frac{5}{13} [/tex]

a=5k

b=13k

5k+13k=90⁰

18k=90⁰

k=5⁰

a=5*5=25⁰

b=13*5=65⁰

Daisyhiid

Răspuns:

[tex] \frac{a}{b} = \frac{5}{13} [/tex]

direct proprtionale =>

a = 5K

b = 13K

5K + 13K = 90° ( complement = 90°)

18K = 90°

K = 5°

=> a = 5 × 5 = 25°

b= 13 × 5 = 65°

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