Question

help pl

Answer 1

I forgot, composite is the whole figure? Triangular pyramid and cube in this?

Answer 2

whole figure

Answer 3

Alright. So you gotta multiply, say 4 and 6 to get the area of that side.

Answer 4

mhm

Answer 5

Ok, so do multiply each area for the cube-ish shape. Then add.

Answer 6

So you have your answers?

Answer 7

surface area of 5 cubes=2(6+3)*4+6*3=18*4+18=72+18=90 sq. units
surface area of two triangles\[=2\times \frac{ 1 }{ 2 }\times6\times4=24~sq.~units\]
surface area of two rectangles\[=2\times5\times3\]
=30 sq. units
total surface area=90+24+30=?

Answer 8

write sq.cms in place of sq. units.