In triangle ABC, angle A is three times as large as angle B. The exterior angle at C is 100°. Find the number of degrees in angle A.
The exterior angle is equal to the sum of the two remote interior angles. 4x = 100 x = 25 Angle A = 3x = 75°
The exterior angle is equal to the sum of the two remote interior angles.
4x = 100
x = 25
Angle A = 3x = 75°
131 MCQ for effective preparation of the test of Trigonometry of Solid Geometry section.
Read the MCQ statement: In triangle ABC, angle A is three times as large as angle B. The exterior angle at C is 100°. Find the number of degrees in angle A., keenly and apply the method you have learn through the video lessons for Trigonometry to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 23-11875.
