Explicación paso a paso:
j)
prisma pentagonal
p=nl
p=5(2)
p=10cm
A=pa/2
7cm²=(10)a/2
7cm²(2)=(10)a
a=7 (2) /10
a=1.4cm
v= Ah
v= 7(1)
v=7cm³
k)
prisma hexagonal
p=6(2)
p=12cm
A=(12)(1.7)/2
A=10.2 cm²
v=A
v=10.2cm³
l)
prisma heptagonal
v=A³p=nl
p=7(2)
p=14cm
14.7cm²=(14)a/2
14.7cm²(2)=(14)a
a=14.7 (2) /14
a=2.1cm
A=v
A=14.7 cm²
m)
prisma octagonal
p=8(2)
p=16cm
19.2cm²=(16)a/2
19.2cm²(2)=(16)a
a=19.2 (2) /16
a=2.4cm
v=19.2cm³
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Verified answer
Explicación paso a paso:
j)
prisma pentagonal
p=nl
p=5(2)
p=10cm
A=pa/2
7cm²=(10)a/2
7cm²(2)=(10)a
a=7 (2) /10
a=1.4cm
v= Ah
v= 7(1)
v=7cm³
k)
prisma hexagonal
p=nl
p=6(2)
p=12cm
A=pa/2
A=(12)(1.7)/2
A=10.2 cm²
v=A
v=10.2cm³
l)
prisma heptagonal
v=A³p=nl
p=7(2)
p=14cm
A=pa/2
14.7cm²=(14)a/2
14.7cm²(2)=(14)a
a=14.7 (2) /14
a=2.1cm
A=v
A=14.7 cm²
m)
prisma octagonal
p=nl
p=8(2)
p=16cm
A=pa/2
19.2cm²=(16)a/2
19.2cm²(2)=(16)a
a=19.2 (2) /16
a=2.4cm
v=A
v=19.2cm³