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ਇੱਕ ਵਰਗ ਦਾ ਖੇਤਰਫਲ ਪਤਾ ਕਰੋ ਜਿਸਦਾ ਭੁਜਾ $7$ cm ਹੈ।

A$28$ cm²
B$42$ cm²
C$49$ cm²
D$56$ cm²
Answer & Solution
Correct answer: C. $49$ cm²
ਇੱਕ ਵਰਗ $= \text{side}^2 = 7^2 = 49$ cm² ਦਾ ਖੇਤਰਫਲ।
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