From the table,
Total number of animals in a zoo = 42 + 15 + 26 + 24 +13 = 120
Central angle of pie chart for each animals,
Deer= (42/120) × 360o
= 126o
Elephant = (15/120) × 360o
= 45o
Giraffe = (26/120) × 360o
= 78o
Reptiles = (24/120) × 360o
= 72o
Tiger = (13/120) × 360o
= 39o