alleryA 7 m by 3 m भिंतीला 2 m² खिडकी आहे; कोणत्या भागात पेंटिंग आवश्यक आहे?
A19 m²
B23 m²
C21 m²
D16 m²
Answer & Solution
Correct answer: A. 19 m²
पेंट करण्यायोग्य क्षेत्र 7 × 3 − 2 = 19 m² आहे.
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