alleryଏକ ତ୍ରିଭୁଜର ଦୁଇଟି ଅନ୍ତଃସ୍ଥ କୋଣ 40° ଏବଂ 70° ଅଟେ। ତୃତୀୟ ଶୀର୍ଷବିନ୍ଦୁରେ ବହିଃସ୍ଥ କୋଣ କେତେ?
A150°
B70°
C110°
D140°
Answer & Solution
Correct answer: C. 110°
ତୃତୀୟ ଅନ୍ତଃସ୍ଥ କୋଣଟି 70 ଡିଗ୍ରୀ ଏବଂ ଏହାର ରୈଖିକ ଯୁଗଳ ହେଉଛି 180 - 70 = 110 ଡିଗ୍ରୀ।
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