Medium Math Class 9 Level 7

A cuboid has length 16 cm breadth 11 cm and height 7 cm. What is its total surface area?

घनाभ की लंबाई 16 cm चौड़ाई 11 cm और ऊंचाई 7 cm है तो कुल पृष्ठीय क्षेत्रफल कितना होगा?

A 690 cm² / 690 cm² B 730 cm² / 730 cm² C 742 cm² / 742 cm² D 1232 cm² / 1232 cm²
Show answer and explanation
Correct Answer

C. 742 cm² / 742 cm²

Explanation

TSA = 2(lb + bh + hl) = 2(176 + 77 + 112) = 730 cm².

TSA = 2(lb + bh + hl) = 2(176 + 77 + 112) = 730 cm²।

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