Mathematics
In the adjoining figure, ABC is a right triangle right angled at B. If AB = 10 cm and ∠C = 30°, then the length of the side BC is 1. 10/√3 cm 2. 10√3 cm 3. 20 cm 4. 5 cm
Related Questions
In the adjoining figure, PQR is a right triangle right angled at Q. If PQ = 4 cm and PR = 8 cm then ∠P is equal to
60°
45°
30°
15°
Consider the following two statements.
Statement 1: sin 18° - cos 72° = 0.
Statement 2: sin θ = cos (90° - θ).
Which of the following is valid?
Both the statements are true.
Both the statements are false.
Statement 1 is true, and Statement 2 is false.
Statement 1 is false, and Statement 2 is true.