1. Which of the following statements is false? a. Oblique triangle is a triangle that has no right angle. b. Oblique triangle can be an acute triangle. c. Oblique triangle can also be an obtuse triangle. d. Oblique triangle can also be a right triangle.
The answer is d. No, oblique triangles cannot be a right-angled triangle. It can be classified as acute or obtuse triangle. To solve oblique triangles we use the laws of sine and cosine.
