#1
In triangle ABC, angle A measures 40°, angle B measures 60°. What is the measure of angle C in degrees?
#2
If two triangles are similar, what can you say about their corresponding angles?
#3
In triangle PQR, angle P measures 50°, and angle Q measures 70°. What is the measure of angle R in degrees?
#4
In triangle ABC, if angle A measures 45° and angle B measures 60°, what is the measure of angle C in degrees?
#5
Which similarity criterion is used to prove that two triangles are similar if two angles of one triangle are equal to two angles of another triangle?
#6
In triangle ABC and triangle DEF, angle A is congruent to angle D, and angle B is congruent to angle E. Which similarity criterion can be used to prove that the two triangles are similar?
#7
If triangle ABC is similar to triangle DEF, and the ratio of the lengths of corresponding sides is 2:3, what is the ratio of their perimeters?
#8
In triangle DEF, if angle D measures 60° and angle F measures 80°, what is the measure of angle E in degrees?
#9
In triangle XYZ, angle X measures 50°, angle Y measures 70°. What is the measure of angle Z in degrees if the triangle is similar to triangle ABC where angle A measures 60° and angle B measures 80°?
#10
If triangle PQR is similar to triangle STU with a scale factor of 1:2, and the area of triangle PQR is 36 square units, what is the area of triangle STU?
#11
In triangle XYZ, if the ratio of the lengths of corresponding sides is 3:4 and the perimeter is 42 units, what is the perimeter of triangle XYZ?
#12