Matematika tentukan nilai x dan besar sudut Ajangan ngasal pliss ​

Krystal Dickinson – March 11, 2023

tentukan nilai x dan besar sudut A

jangan ngasal pliss
​

• Menentukan nilai x

180° = 40° + 2x + 3x

180° = 40° + 5x

5x = 180° - 40°

5x = 140°

x = 140° ÷ 5

x = 28°

Maka nilai x nya 28°

- -

• Menentukan Besar < A

< A = 3x

< A = 3(28)°

< A = 84°

Maka Besar < A adalah 84°

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Penjelasan dengan langkah-langkah:

2x + 3x + 40 = 180

5x = 180 - 40

5x = 140

x = 140/5

x = 28

besar <A

= 3x

= 3 × 28

= 84°

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