100 Getaways de todo el mundo (Italian, Portuguese and Spanish Edition)

100 Getaways de todo el mundo (Italian, Portuguese and Spanish Edition)

Matematika tolong kakkkkk.......​

tolong kakkkkk.......​ 2a + 4a = 90°
6a = 90°
a = 15°

Maka nilai dari 4a adalah
= 4(15°)
= 60°

(C)

Penjelasan dengan langkah-langkah:

2a + 4a = 90

6a = 90a

a = 90/6

a = 15°

besar 4a

= 4.15

= 60°

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