alleryএটা সমদ্বিবাহু ত্ৰিভুজৰ শীৰ্ষ কোণ 40°। প্ৰতিটো ভূমি কোণ কিমান?
A50°
B70°
C40°
D60°
Answer & Solution
Correct answer: B. 70°
ভূমি কোণ দুটাই 180 - 40 = 140 ডিগ্ৰী সমানভাৱে ভগাই লয়, গতিকে প্ৰতিটো কোণ 70 ডিগ্ৰী।
Keep practising Geometry and Trigonometry
Browse all Geometry and Trigonometry questions for RRB NTPC, or explore more Mathematics topics.
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?