Yg nomor 17,18 dan 19 dong kak

By Admin ReiPosted on October 29, 2022

Yg nomor 17,18 dan 19 dong kak

18)sudut BOC =sudut AOB

sudut AOB =2X sudut ADB

suduy BOC. =2X65

=130 D

$17.(3x + 14) + (x + 42) = 180 4x + 56 = 180 4x = 180 - 56 x = 124 div 4 x = 31$