If the angles of a triangle are in the ratio 1:2:3, determine threeangles.
The angles of a triangle are arranged in ascending order of magnitude. If the difference between two consecutive angles is 10^, find the three angles.
Two angles of a triangle are equal and the third angle is greater than each of those angles by 30^. Determine all the angles of the triangle.
If one angle of a triangle is equal to the sum of the other two, show that the triangle is a right angle triangle.
The exterior angles, obtained on producing the base of a triangle both ways are 104^{^0}and136^0. Find all the angles of the triangle.
In a △ABC, the internal bisectors of ∠B and ∠C meet at P and the external bisectors of ∠B and ∠C meet at Q. Prove that ∠BPC + ∠BQC 180^0
In figure, the sides BC, CA and AB of a △ABC have been produced to D, E and F respectively. If ∠ACD = 105^0and ∠EAF =45^0 find all the angles of the △ABC.
Compute the value of x in each of the following figures:
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