Multiple choice

The base of a right prism is a triangle whose perimeter is 32 cm. and in-radius of the triangle is 4 cm. If volume of the prism is 376 cm.3. Then its height is एल लम्ब प्रिज्म का आधार एक त्रिभुज है जिसका परिमाप 32 सेमी है और त्रिभुज की अन्तः त्रिज्या 4 सेमी है | यदि प्रिज्म का आयतन 376 सेमी3 है, तो उसकी ऊँचाई है

  1. 5.875

  2. 5.775

  3. 5.475

  4. 4.785
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A Correct answer
Explanation

For a triangle, Area = (1/2) × Perimeter × In-radius. Area = (1/2) × 32 × 4 = 64 cm². Volume of prism = Base Area × Height. 376 = 64 × Height, so Height = 376/64 = 5.875 cm.

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