a)
A = 5m × 7m = 35 m²
b)
A = 4cm×8cm/2 = 4cm×4cm = 16 cm²
c)
A = 1,2km×0,8km/2 = 0,96km²/2 = 0,48 km²
d)
A = (8m + 10m)·3m/2 = 18m·3m/2 = 9m·3m = 27 m²
Take 5x5 and 2x5 and add them together. 5x5=25 and 2x5=10. 25+10=35 7x5=35
Answer:
120
Step-by-step explanation:
120/5 = 24
120/3 = 40
120/2 = 60