Easy Math Class 9 Level 8

If the total surface area of a cube is 150 cm² then what is the value of a²?

यदि घन का कुल पृष्ठीय क्षेत्रफल 150 cm² है तो a² का मान कितना होगा?

A 15 / 15 B 25 / 25 C 30 / 30 D 50 / 50
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Correct Answer

B. 25 / 25

Explanation

Total surface area of a cube is 6a² so 6a² = 150 and a² = 25.

घन का कुल पृष्ठीय क्षेत्रफल 6a² होता है इसलिए 6a² = 150 और a² = 25।

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