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Verified answer
Jawabr = 2
ling menyinggung sumbu x dan sumbu y dikuadran 1
titik pusat (a,b) =P (2,2)
perling (x - a)² + (y - b)² = r²
(x - 2)² + (y - 2)² = 2²
(x - 2)² +(y -2)² = 4
atau
x² - 4x + 4 + y² - 4y + 4 - 4 = 0
x² + y² - 4x - 4y + 4 = 0