Question

Nilai x adalah
a 10,5
b 20,5
c 22,5
d 2,5
bantu yaaa​

Answer 1

[tex] < AED = sudut \: siku - siku \\ 3x + x + 8° = 90° \\ 4x = 90° - 8° \\ 4x = 82° \\ x = \frac{82°}{4} \\ x = 20,5° \: (b)[/tex]

Answer 2

(3 + 1)x = (90 - 8)°

4x = 88°

x = 82/4

x = 41/2

x = 20,5°