An angle that is 90o.
What is a right angle?
This type of triangle has 3 congruent sides.
What is an equilateral triangle?
A shape with opposite sides that are parallel and congruent.
What is a parallelogram?
What is circle P?
The classification of this angle.
What is an obtuse angle?
Triangles can be classified based on these 2 features.
What are sides and angles?
A polygon with nine sides.
What is a nonagon?
All radii in this circle.
What are PQ, PR, PS, PT?
The common endpoint that the sides of an angle join at.
What is the vertex?
This type of triangle contains only 1 type of angle.
What is an acute triangle OR an equilateral triangle?
A quadrilateral with 2 parallel sides.
What is a trapezoid?
The relationship between the diameter and radius of a circle?
What is the length of the diameter is twice the length of the radius OR the length of the radius is half the length of the diameter?
Supplementary angles have this sum.
What is 180o?
The sum of the measures of the angles of a triangle.
What is 180o?
All the classifications of a square.
What is rectangle, rhombus, parallelogram and quadrilateral?
The circumference of a circle with radius 2 cm.
What is 12.56 cm?
Angles that are formed opposite each other when 2 lines intersect.
What are vertical angles?
The classification of this triangle based on its sides AND angles.
What is obtuse and isosceles?
A rhombus with a side length of 100 m has a perimeter of this.
What is 400 m?
The area of a circle with a diameter of 20 m.
What is 314 m2.