90. mm
10 mm = 1 cm → 1 mm = 1/10 cm → 9 mm = 9 x 1 mm = 9 x 1/10 cm = 9 ÷ 10 cm = 0.9 cm
.9 cm = 9 mm
1 cm = 10 mm This means 0.9 cm = 9 mm
10 mm = 1 cm ⇒ 9 mm = 9 ÷ 10 cm = 0.9 cm
At 10 mm to 1 cm, 9 cm = 90 mm
10 mm = 1 cm So 9 mm = 0.9 cm
90 mm = 9 cm
90 mm (9 x 10)
10 mm = 1 cm so 9 mm = 9/10 cm = 0.9 cm. Simple!
90 mm = 9 cm
93 mm