એક સમબાજુ ચતુષ્કોણની બાજુ 10 cm અને એક વિકર્ણ 12 cm છે. તેનું ક્ષેત્રફળ કેટલું થાય?
A96 cm²
B60 cm²
C120 cm²
D192 cm²
Answer & Solution
Correct answer: A. 96 cm²
અડધા વિકર્ણ 6 અને બાજુ 10 પરથી બીજો અડધો વિકર્ણ 8 મળે છે, તેથી 12 અને 16 વિકર્ણો પરથી ક્ષેત્રફળ 96 ચોરસ સેન્ટિમીટર મળે છે.
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