The answer is the last one because:
- One has three sides and the other has four which doesn't makes it equal.
- One has three vertices and the other has four vertices.
- Obtuse is an angle greater than 90° but less than 180°, so it doesn't have an obtuse angle.
- Yes, it has one right angle each.
Answer:The inner core, on average, rotates eastward. At the speeds it travels, it might, on average, complete a revolution every 750 to 1,440 years.
The Himalayan mountain range and Tibetan plateau have formed as a result of the collision between the Indian Plate and Eurasian Plate which began 50 million years ago and continues today.
