Start learning →

একটি ত্রিভুজের দুটি কোণের পরিমাপ 48° এবং 67°। তৃতীয় কোণটি কত?

A60°
B65°
C75°
D55°
Answer & Solution
Correct answer: B. 65°
কোণগুলির সমষ্টি 180 degrees, তাই তৃতীয় কোণটি হলো 180 - 115 = 65 degrees।
Practise this question with Quill — RRB NTPC →

Keep practising Geometry and Trigonometry

Browse all Geometry and Trigonometry questions for RRB NTPC, or explore more Mathematics topics.

Start a Geometry and Trigonometry lesson →
Related questions
RRB NTPC · Trigonometric RatiosRRB NTPC · Triangle CentersRRB NTPC · Classify Angle TypesRRB NTPC · Match Trigonometric ValuesWhich line segment connects two points on a circle and divides it into two segments?When does the sum of two side lengths equal the third side?What total measure in degrees do the two non-right angles of a right triangle add up to?What geometric shape is the planar region bounded by two concentric circles?