alleryଏକ ତ୍ରିଭୁଜର ଦୁଇଟି କୋଣର ପରିମାଣ 48° ଏବଂ 67° ଅଟେ। ତୃତୀୟ କୋଣଟି କେତେ?
A60°
B65°
C75°
D55°
Answer & Solution
Correct answer: B. 65°
କୋଣଗୁଡ଼ିକର ସମଷ୍ଟି 180°, ତେଣୁ ତୃତୀୟ କୋଣଟି ହେଉଛି 180 - 115 = 65°।
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