Besar ABD adalah…. tolong di jawab ya kak:):)

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Besar ABD adalah.... tolong di jawab ya kak:):)

Besar ABD adalah….
tolong di jawab ya kak:):)

Cari x dahulu
3x + 20 + 2x = 180
5x = 160
x = 32

besar ABD
= 3x + 20
= 3(32) + 20
= 96 + 20
= 116
jawab B

Cara mencari X
( 3x + 20 ) + 2x = 180
( 3x + 2x ) + 20 = 180
5x = 180-20
5x = 160
x =160 : 5
x = 32

Sudut ABD=( 3x + 20 )°
=(3.32 + 20 )°
=96 + 20
= B. 116

Semoga Membantu 🙂