Question

two cubes of side 4cm are fixed together.find the total sirface area pf new solod formed

Answer 1

Let side of each cube = a cm

a = 4 cm

If two cubes are fixed together ,

new solid which formed is cubiod.

Dimensions of the cuboid :

Length = l = 8cm

Breadth = b = 4 cm

Height = h = 4 cm

Total surface area of the new solid

= 2( lb + lh + bh )

= 2[ 8 × 4 + 8 × 4 + 4 × 4 ]

= 2 ( 32 + 32 + 16 )

= 2 × 80

= 160 cm²

Answer 2

96cm^2is the answer for this question