Respuesta:
1) 15cm.2 +8cm.2 +5cm.2= 56cm
area 15cm . 8 CM - (5cm)²
120cm²-25cm²=95cm²
2) (10cm)²+(10cm+4cm).8cm/2
100cm²+56cm²=156cm²
3) 10cm. 6cm-4cm. 2cm
60cm²-8cm²= 52cm²
4) b.2+h.2= 28
b.2+ (6+b).2=28
2b+12+2b=28
4b=28-12
b=16/4
b=4
base 4 CM
altura 10cm
area 4cm. 10cm= 40cm²
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Respuesta:
1) 15cm.2 +8cm.2 +5cm.2= 56cm
area 15cm . 8 CM - (5cm)²
120cm²-25cm²=95cm²
2) (10cm)²+(10cm+4cm).8cm/2
100cm²+56cm²=156cm²
3) 10cm. 6cm-4cm. 2cm
60cm²-8cm²= 52cm²
4) b.2+h.2= 28
b.2+ (6+b).2=28
2b+12+2b=28
4b=28-12
b=16/4
b=4
base 4 CM
altura 10cm
area 4cm. 10cm= 40cm²