Question

renata.kmla

tlng bantuin

20. Perhatikan gambar berikut !
210
140°
Nilai x =
....
A. 70
C. 40
B. 50
D. 20

Answer 1

maybeyou

2x⁰ + 140⁰ = 180⁰
2x⁰ = 180⁰-140⁰
2x = 40⁰
x = 20