Grade 9 Geometry & Trigonometry Test

Grade 9 Geometry & Trigonometry Test
50 Questions (Multiple Choice + Short Answer + Word Problems)



SECTION A — MULTIPLE CHOICE (30 Questions)
Select the best answer for each question.

1.​ What is the sum of angles in any triangle?​

○​ A) 90°​

○​ B) 180°​

○​ C) 270°​

○​ D) 360°​

2.​ A right angle measures:​

○​ A) 30°​

○​ B) 60°​

○​ C) 90°​

○​ D) 120°​

3.​ Which of the following angles is obtuse?​

○​ A) 20°​

○​ B) 45°​

○​ C) 95°​

○​ D) 180°​

4.​ Corresponding angles formed by parallel lines and a transversal are:​

, ○​ A) Always supplementary​

○​ B) Always equal​

○​ C) Always acute​

○​ D) Always obtuse​

5.​ A triangle with two equal sides is called:​

○​ A) Scalene​

○​ B) Isosceles​

○​ C) Right​

○​ D) Equilateral​

6.​ The longest side of a right triangle is the:​

○​ A) Opposite​

○​ B) Adjacent​

○​ C) Hypotenuse​

○​ D) Base​

7.​ In a right triangle, the Pythagorean Theorem is:​

○​ A) a + b = c​

○​ B) a² + b² = c²​

○​ C) ab = c²​

○​ D) a² – b² = c²​

8.​ sin(θ) =​

○​ A) Opp/Adj​

○​ B) Adj/Hyp​