Question

in traingle abc ,P and Q are points on ab,ac divides ab,ac respectively in the ratio 1:3 and pq=3m then find bc​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Vertebrates include amphibians, reptiles, mammals, and birds, as well as the jawless fishes, bony fishes, sharks, and rays. More than 64,000 species of vertebrates have been described, but the extant vertebrate species represent only a small portion of all the vertebrates that have existed.