80°C= °R= °F TOLONG PAKAI CARA

80°C= ... °F
tR = 4/5 x 80 = 64°R
80°C= ... °F
tF = (9/5 x 80) + 32
= 64 + 32 = 96°F

R 4 320
-- × C = --- × 80 = ------- = 64°R
C 5 5

F 9 720
-- × C = --- × 80 ( + 32 ) = ------- ( + 32 ) = 144 + 32 = 176°F
C 5 5


80°C = 64°R
80°F = 176°F