Math Problem Statement
Diketahui dua buah lingkaran dengan pusat A dan B, dengan panjang jari-jari masing-masing 7 cm dan 2 cm. Jika jarak AB = 13 cm, maka panjang garis singgung persekutuan luar kedua lingkaran tersebut adalah…cm 16 15 14 12 13
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Circles
Tangents
Formulas
d = √(AB^2 - (r_A - r_B)^2)
Theorems
Pythagorean Theorem in Circle Tangents
Suitable Grade Level
Grades 9-10
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