Angles and Parallel Lines - Problems on Triangles
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Q. If angle X and angle Y are complementary and angle X measures 35°, what is the measure of angle Y?
Q. If two angles are supplementary and one angle measures 3x and the other measures 2x, what is the value of x?
Q. If two angles are vertical angles and one angle measures 120°, what is the measure of the other angle?
Q. If two lines are parallel and a transversal intersects them, what can be said about the corresponding angles?
Q. If two parallel lines are cut by a transversal and one of the corresponding angles is 75°, what is the measure of the other corresponding angle?
Q. If two triangles are congruent, what can be said about their corresponding sides?
Q. In triangle ABC, if angle A = 50° and angle B = 60°, what is the measure of angle C?
Q. In triangle DEF, if angle D = 30° and angle E = 45°, what is angle F?
Q. In triangle DEF, if angle D = 45° and angle E = 45°, what type of triangle is DEF?
Q. In triangle GHI, if angle G = 30° and angle H = 60°, what is the length of side g opposite angle G if side h opposite angle H is 10 units?
Q. In triangle GHI, if angle G = 30° and angle H = 70°, what is the measure of angle I?
Q. In triangle GHI, if angle G = 70° and angle H = 40°, what is the measure of angle I?
Q. In triangle JKL, if angle J = 80° and angle K = 50°, what is angle L?
Q. In triangle JKL, if angle J = 90° and angle K = 45°, what is the measure of angle L?
Q. What is the measure of each angle in an equilateral triangle?
Q. What is the relationship between the exterior angle of a triangle and the two opposite interior angles?
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