A36°
B80°
C100°
D40°
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Related Questions:
∆ABC is inscribed inside a circle and there is a point D on the arc BC opposite to A such that BD = CD. If ∠BAC = 70° and ∠ABD = 85°, then find the measure of ∠BCA.
The area of a triangle is 85 cm² and its base is 5 cm. Find the height of the triangle corresponding to this given base.
16.3 സെന്റിമീറ്റർ വശമുള്ള ഒരു സമഭുജത്രികോണത്തിന്റെയും, 12.1 സെന്റിമീറ്റർ വശമുള്ള ഒരു സമചതുരത്തിന്റെയും ചുറ്റളവുകൾ തമ്മിലുള്ള വ്യത്യാസം എത്ര ?
In ΔABC, if ∠A = 40° and ∠B = 70°, find the measure of exterior angle at A.
If two angles of a triangle measure 60° and 80°, respectively, then the measure of the third angle of this triangle is: