tolong yang bisa. hitung x ama y ny

x² = 5² + 12²
x² = 25 + 144
x² = 169
x = √169
x = 13 cm

20² = 12² + (y + 5)²
400 = 144 + (y + 5)²
(y + 5)² = 400 - 144
(y + 5)² = 256
(y + 5) = √256
y + 5 = 16
y = 16 - 5
y = 11 cm

x = 3√21

y = 11

semoga membantu ^^