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Sheet # 184 Critical Thinking

Name: _____________________ Date_____________


Use drawings, words, or numbers to explain how you got your answer.

Each of the figures below is formed by eight 1-cm cubes.




What is the surface area of each figure?





























Answers for sheet # 184

Block # A: 4 sq. cm/face x 6 faces = 24 sq. cm

Block # B: 2 faces x (8 sq. cm/face) + 2 face x 2 sq cm/face + 2 faces x 4 sq. cm/face
16 + 4 + 8 = 28 sq. cm

Block # C: 4 faces x ( 8 sq cm/face) + 2 faces x 1 sq. cm/face
= 34 sq. cm