Topic 16 Math Vocab

________ are lines that intersect to form right angles.

• parallel

• perpendicular

• intersecting

• cool

________ are lines that never intersect.

A ________ is a triangle that has one right angle.

• Right triangle
• acute triangle

• obtuse triangle

• equilateral triangle

________ are lines that pass through the same point.

• intersecting

• parallel

• rhombus

• curvy

An ________ is a triangle that has three acute angles.

An ________ is a triangle that has one obtuse angle.

• isosceles triangle

• actue triangle

• right triangle

• Obtuse triangle

An ________ is a triangle with at least two sides that are the same length.

• scalene

• isosceles

• equilateral

An ________ is a triangle with three sides that are the same length.

• right triangle

• equilateral triangle

• obtuse triangle

• isosceles triangle

A _________ is a quadrilateral that has two pairs of parallel sides.

• parallelogram
• trapezoid

• quadrilateral

• triangle

A _________ is a quadrilateral that has four right angles and all sides are the same length.