Question

A, B, C are three towns connected by straight roads from A to B, B to C and C to A.AB=5km, BC= 6 km CA = 7km. Two cyclists start simultaneously form A and go In different roads with same speed. They meet at D. then length of BD is

• A. 1 K M
• B. 2 K M
• C. 3 K M
• D. 4 K M

Answer 1

The correct option is D 4 K M

The perimeter of triangle is = 5+6+7=18. The distance of each cyclist travel = 9 km.

∴AB+ BD=9.
∴BD=4km.
Answer: 4km.