Question

The solid shown here is made up of unit cubes of side ‘a’ cm. Black squares of side ‘b’ cm are painted on the front and back faces of each unit as shown.

Answer 1

Answer:

D

Step-by-step explanation:

number of b squares is 3 so it's 3b squares

exposed solids are 3 in front 3 in back 8 on sides.so 14a squared as a total

so answer is d

Answer 2

Answer:

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