Medium Math Class 9 Level 6

A cuboid has length 15 cm breadth 10 cm and height 6 cm. What is its total surface area?

घनाभ की लंबाई 15 cm चौड़ाई 10 cm और ऊंचाई 6 cm है तो कुल पृष्ठीय क्षेत्रफल कितना होगा?

A 600 cm² / 600 cm² B 660 cm² / 660 cm² C 720 cm² / 720 cm² D 900 cm² / 900 cm²
Show answer and explanation
Correct Answer

A. 600 cm² / 600 cm²

Explanation

TSA = 2(lb + bh + hl) = 2(150 + 60 + 90) = 600 cm².

TSA = 2(lb + bh + hl) = 2(150 + 60 + 90) = 600 cm²।

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