alleryଅନ୍ତର୍ଭୁକ୍ତ କୋଣର ମାନ କେତେ ହେଲେ କୋସାଇନ୍ ନିୟମଟି ପାଇଥାଗୋରାସ ଉପପାଦ୍ୟରେ ପରିଣତ ହୁଏ?
A90°
B180°
C0°
D60°
Answer & Solution
Correct answer: A. 90°
90 ଡିଗ୍ରୀରେ cos C ଶୂନ ହୋଇଯାଏ, ଯାହା କ୍ରସ୍ ପଦକୁ ହଟାଇଦିଏ ଏବଂ c² = a² + b² ବାକି ରହେ।
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