Jawab tepat fast respons No. 20 aja

jawab

A(x,y)= (2,3)
x = 2
y = 3

x = a = 4
y = b = 2

bayangan A' (x' ,y')
x' = 2a - x → x' = 2(4) - 2 = 6
y' = 2b - y → y' = 2(2) - 3 = 1

A'(x',y') = (6, 1)