1. What is the ratio of the sides of 30° — 60° — 90° triangle? a. 1:1:2 b. 1:√2:3 c. 1:1:√2 d. 1:√3:2 2. What is the ratio of the sides of 45° — 45° — 90° triangle? a. 1:1:2 b. 1:√2:3 c. 1:1:√2 d. 1:√3:2 (For problems 3 — 5 refer to the given figure) 3. Which of the following statement is correct? a.x = 8 b. sin 30° = 1/x c. sin 60° = y/4 d. cos 60° = 4/y 4. What is the value of y? a. √3 b. 4√3 c. √2 d. 8 5. What is the value of x? a. ⅐ b. 2 c. 4 d. 8
