9th mathematics Chapter10 Congruent Triangles
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | In ΔABC and ΔDEF, if ∠A = ∠D, ∠B = ∠E, and AB = DE, what congruence criterion can be applied? | SAS | ASA | SSS | AAS | 2 | In a right-angled triangle, if the hypotenuse and one leg of one triangle are equal to the hypotenuse and one leg of another triangle, what criterion is met? | SAS | ASA | SSS | RHS | 3 | If two triangles have equal corresponding angles and equal corresponding sides, they are: | Similar | Congruent | Neither | Both | 4 | If two triangles are similar, then their corresponding medians are divided in the ratio: | 1:1 | 2:1 | 1:2 | 3:1 | 5 | If ∠A = 45° and ∠B = 45°, what type of triangle is ΔABC? | Acute-angled | Right-angled | Obtuse-angled | Equilateral | 6 | If the angles of a triangle are in the ratio 2:3:5, what is the measure of the largest | 30° | 50° | 75° | 90° | 7 | If two sides and the included angle of one triangle are equal to the corresponding parts of another triangle, what congruence criterion is satisfied? | SAS | ASA | SSS | AAS | 8 | If two triangles are similar, then their corresponding angles are: | Congruent | Equal | Supplementary | None of the above | 9 | In a right-angled triangle, the side opposite the right angle is called the: | Base | Hypotenuse | Perpendicular | Adjacent side | 10 | Which of the following is NOT a criteria for congruent triangles? | SAS (Side-Angle-Side) | SSA (Side-Side-Angle) | ASA (Angle-Side-Angle) | AAA (Angle-Angle-Angle) | 11 | If the angles of a triangle are in the ratio 1:2:3, what is the measure of the smallest angle? | 15° | 30° | 45° | 60° | 12 | In ΔPQR, if PQ = PR, then the triangle is: | Acute-angled | Isosceles | Equilateral | Scalene |