T=
10x5=50
F=
10x6=60
S=
5x6=30
TSA=2(T+F+S)
=2(50+60+30)
=2(140)
=280m2
Triangular Prism
LxW
5x10=50
9x5=45
5x8=40
bxh÷2
8x9÷2=36cm
bxh÷2
8x9÷2=36cm
TSA= 50+45+40+36+36
=207cm2
Cylinder
r=d÷2
r=8÷2
r=4mm
circumfrence
C=πd
=3.14x8
=25.12mm
Area=
=3.14x4x4
=3.14x16
=50.24mm
TSA=50.24+50.24+301.44
=401.92mm squared
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.