Mathematics
Junior High

表面積の求め方の過程を教えてください!

C 4cm A 3cm 5cm。 B 4cm 2 F D E

Answers

全ての面を求めて足します!
2つの底面はそれぞれ
3×4÷2で6
側面はそれぞれ
5×4÷2で10
3×4÷2で6
4×4÷2で4
6+10+6+4で答えは26になります

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