Question

three cubes of each of side 7 cm are joined together name the new solid formed and find its volume​

Answer 1

the new solid formed by joining three cubes of each of side 7 cm is a CUBOID

volume of cuboid= length × breadth × height

volume= 21 × 7 × 7

=21× 49

=1029

Answer 2

Answer:

$1029cm {}^{3}$

Step-by-step explanation:

add the volume of the small cubes

${7}^{3} + {7}^{3} + {7}^{3}$

$1029 {cm}^{2}$