alleryએક લંબચોરસની લંબાઈ તેની પહોળાઈ કરતાં 4 cm વધુ છે અને તેની પરિમિતિ 40 cm છે. તેની લંબાઈ _____ છે.
A8 cm
B10 cm
C12 cm
D16 cm
Answer & Solution
Correct answer: C. 12 cm
લંબાઈ વત્તા પહોળાઈ 20 છે અને તેમનો તફાવત 4 છે, તેથી લંબાઈ 12 cm થાય.
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