Ortega Ramos
10/07/2023 · High School
1. Hilunglah luas jurneg \( A O B \) jka \( \angle A O B \) sibesar \( 135^{\circ} \) dengaan 2. Panjang \( A O \) adalah 21 cm ? Diketahul parjang busur \( A B \) adalah 28 cm dan bosar \( \angle A O B \) sebesar \( 20^{\circ} \), maka berapakah parjang jari - jari lingkaran? Jawaban
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Luas juring \( AOB \) adalah sekitar \( 165.4 \, \text{cm}^2 \). Panjang jari-jari lingkaran adalah sekitar \( 80.4 \, \text{cm} \).
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