What is the distance from eric bus stop to school

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i