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Mensuration : Math MCQ Practice Questions & Answers (Hindi) - ObjectiveMcq

Math Practice

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Algebra
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PracticeMathGeometryMensuration

Mensuration in Math : Practice MCQ Questions & Answers with Explanations

1 practice sets · Page 1 of 1

MathHardGeometryMensuration

1.

7 सेमी त्रिज्या और 10 सेमी ऊँचाई वाले बेलन का कुल पृष्ठीय क्षेत्रफल क्या होगा?

A

748 वर्ग सेमी

B

374 वर्ग सेमी

C

440 वर्ग सेमी

D

880 वर्ग सेमी

Correct Answer:

(A) 748 वर्ग सेमी

Explanation:

TSA = 2πr(h + r) = 2 × (22/7) × 7 × (10 + 7) = 44 × 17 = 748 वर्ग सेमी।