Mathematics
In △ABC, AB = AC, ∠A = (5x + 20)° and each of the base angle is th of ∠A. Find the measure of ∠A.
Related Questions
In the figure (1) given below, ABC is an equilateral triangle. Base BC is produced to E, such that BC = CE. Calculate ∠ACE and ∠AEC.
In the figure (2) given below, prove that ∠BAD : ∠ADB = 3 : 1.
In the figure (2) given below, BC = CD. Find ∠ACB.
In the figure (3) given below, AB || CD and CA = CE. If ∠ACE = 74° and ∠BAE = 15°, find the values of x and y.
