Lines
A triangle with two sides the same length
What is isosceles
A triangle with one angle greater than 90 degrees
What is obtuse triangle
A triangle with a 90 degree angle and no sides the same length
What is right, scalene
How many sides does a quadrilateral have?
What is a 4 sided figure?
Device used to measure angles
What is a protractor
A boat has a sail with one pair of perpendicular lines, and two sides the same length. What kind of triangle is it?
What is Right, isosceles