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Parts of a Circle
Triangles
Triangles 2
Angles
Quadrilaterals
100
What is the measure of the outside of a circle called?
Circumference
100
What do we call a triangle with three equal sides?
Equilateral Triangle
100
What is a triangle with three acute angles called?
Acute Triangle
100
What degree is a right angle?
90 degrees
100
What shape must has 4 congruent sides and 4 right angles?
Square
200
What is the measure from the center point of a circle to the outside?
Radius
200
What do we call a triangle with exactly two equal sides?
Isosceles Triangle
200
What is a triangle with one obtuse angle called?
Obtuse Triangle
200
If an angle measures 65 degrees, it is a _________ angle. Acute, Obtuse, Straight or Right
Acute
200
What do we call any polygon with four sides?
Quadrilateral
300
What is the distance from one side of a circle to the other that goes through the center point?
Diameter
300
What do we call a triangle with three different sides?
Scalene Triangle
300
What is a triangle with one right angle called?
Right Triangle
300
If an angle measures 89 degrees, it is a ______________ angle. Acute, Obtuse, Right, Straight
Acute
300
What shape has only one set of parallel sides?
Trapezoid
400
What is any line from one side of a circle to the other side?
Chord
400
If two sides of an equilateral triangle has two sides that are 4 cm long, how long is the third side?
4 cm
400
What do we call any shape with three or more sides?
Polygon
400
If an angle measures 162 degrees, it is a ______________ angle. Acute, Obtuse, Right, Straight
Obtuse
400
What shape has four congruent sides but does not need right angles?
Rhombus
500
If the diameter of a circle is 10 mm. What is the radius of the circle?
5 mm
500
How many acute angles does an equilateral triangle have?
3
500
How do you find the area of a right triangle?
Make it a rectangle, find the area, and divide by 2.
500
If an angle measure 180 degrees, it is a ___________ angle. Acute, Obtuse, Right or Straight
Straight
500
Name 3 other shapes that a square can be classified as.
Rhombus, Rectangle, Parallelogram, Quadrilateral, Polygon