Question

ayuda es para mañana​

Answer 1

Respuesta:

1)

P = n × l

P = 5 × 5

P = 25 cm

A = P×a/2

A = 25 × 63/2

A = 787.5 cm²

2)

P = n × l

P = 15 × 6

P = 90 cm

A = P×a/2

A = 90 × 7/2

A = 315 cm²

3)

P = n × l

P = 10 × 12

P = 120 cm

A = P×a/2

A = 120 × 5,5/2

A = 330 cm²