Shapes
What shape has all right angles and congruent sides?
A square
If the central angle of a circle is 70 degrees, the intercepted arc is how big?
70 degrees
What is the sine of an angle?
sin = opposite/hypotenuse
What is true about the slopes of perpendicular lines?
They are opposite reciprocals
Simplify n-3n+5n
3n
What is the shape that has 4 congruent sides?
A rhombus
What is true about vertical angles?
They are always congruent.
What are cosine of an angle?
cos = adjacent/hypotenuse
The area of a circle.
What is pi x r squared?
A shape that has two pairs of consecutive congruent sides.
A kite.
What do all the angles in a triangle add up to be?
180 degrees
What is the hypotenuse?
The longest side of a right triangle.
What is formula to find the measure of each angle in a regular polygon?
180(n-2)/n
The circumference of a circle
What is pi X d or 2(pi)r?
A shape that has four sides.
A quadrilateral
What are the three ways to prove two triangles are congruent?
ASA, SAS, SSS
In a right triangle, one angle should be equal to____.
90 degrees
What is true about corresponding angles?
They are congruent.
Draw a shape that has 4 sides and only 1 pair of parallel sides.
Picture of Trapezoid
If an inscribed angle is 40 degrees, how big is the intercepted arc?
80 degrees
Use this to find the missing side of a right triangle when two side lengths are known.
What is the Pythagorean Theorem?
What is a translation of a geometric shape?
A translation is moving a shape either left or right and up or down on the coordinate plane.
What does the linear pair Theorem state?
If two angles form a linear pair, then they are supplementary.