Question

identify the types of triangle pqr in the following
pq=7m,qr= 4m ,pr=7m​

Answer 1

We know that: v∝T

⇒200v=300400

⇒v=3200×2=3400m/s

Answer 2

isosceles triangle

when two sides of a triangle is equal, then the type of the triangle is isosceles