allery12 cm ಉದ್ದ ಮತ್ತು 8 cm ಅಗಲವಿರುವ ಒಂದು ಆಯತದ ಪರಿಧಿಯನ್ನು ಕಂಡುಹಿಡಿಯಿರಿ:
A40 cm
B48 cm
C36 cm
D96 cm
Answer & Solution
Correct answer: A. 40 cm
ಪರಿಧಿ = 2 * (ಉದ್ದ + ಅಗಲ) = 2 * (12 + 8) = 2 * 20 = 40 ಸೆಂ.ಮೀ.
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