Discuss Forum
1. The lengths of the sides of a triangle are d+1, 2d, and 3d. The sum of the degree measures of the three interior angles of the triangle is____
- A. 6d+1
- B. 6d+1
- C. 6d+1
- D. 6d+1
Answer: Option D
Explanation:
Ratio of speed = 3:4 Ratio of time = 4:3 let
A takes 4x hrs,B takes 3x hrs
then 4x - 3x = 30/60 hr
x = ½ hr
Time taken by A to reach the destination is 4x = 4 * ½ = 2 hr
Post your comments here: