Jika besar <A=4/5 kali sudut penyikunya, maka besar ∠A adalah .....
A. 40° C. 72°
B. 45° D. 90°
A. 40° C. 72°
B. 45° D. 90°
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Materi : Garis dan Sudut
∠A = ⅘ . 90° = 4 . 18° = 72° { c. }
Semoga bisa membantu
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