HOW TO DO THIS QUESTION PLEASE ​

Which best explains why this triangle is or is not a right triangle?

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth