allery3 cm × 4 cm × 12 cm માપ ધરાવતા લંબઘનનો સૌથી લાંબો વિકર્ણ કેટલો છે?
A13 cm
B19 cm
C15 cm
D11 cm
Answer & Solution
Correct answer: A. 13 cm
વિકર્ણ એ 9 + 16 + 144 નું વર્ગમૂળ છે, જે 169 નું વર્ગમૂળ એટલે કે 13 cm થાય છે.
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