Trong các hình dưới đây, hình nào là khối đa diện?

Read and do the tasks.

Hello. My name is Nam. I'm eight years old. I'm in class 3A. I am a pupil at Nguyen Trai primary school. This is my best friend Mai. She is eight years old too. They are Peter and Linda. Peter is seven and Linda is nine. They're my friend too.

TICK TRUE (T) OR FALSE (F)

Peter is nine years old.