CORRECT ANSWERS { GRADED A+}
what is a point? -✔✔ a location or position represented by a dot.
what is a line segment? -✔✔ part of a line with two endpoints
what is a ray? -✔✔ an endpoint and extends indefinately in one direction.
what is a line? -✔✔ contiues indefinately in opposite directions
what is the measurment of a straight line? -✔✔ 180
a right angle measures at what degree? -✔✔ 90
an acute angle -✔✔ less than 90 degrees
an obtuse angle -✔✔ greater than 90 degrees
reflex angle -✔✔ An angle greater than 180 degrees (but less than 360)
complimentary angles -✔✔ two angles that add up to 90 degrees
supplementary angles -✔✔ Two angles whose sum is 180 degrees
what is the formula for interior angles of a polygon? -✔✔ 180(n-2) nis the
number of sides
, what is a polygon? -✔✔ A closed figure having three or more sides.
what is a vertices? -✔✔ the point where 2 sides meet
what is an isosceles triangle? -✔✔ a triangle with two equal sides and two
equal angles
what is an equalateral triangle? -✔✔ a triangle with all equal sides and
angles
what is a scalene triangle? -✔✔ A triangle in which no two sides or angles
are equal.
what is the triangle inequality theorem state? -✔✔ the sum of any two
sides is always greater than the third side.
the sum of ANY quadrilateral is? -✔✔ 360
what is a diagonal -✔✔ a segment that joins two nonconsecutive vertices
what does congruent mean? -✔✔ equal or same
what does perpendicular mean? -✔✔ crossing making right angles
what are parallelograms? -✔✔ 4 sides with parallel opposite sides
formula for circumference of a circle. -✔✔ c=2pi r or c=pi d
what is the formula for the area of a circle? -✔✔ A= π r2
regular polygon -✔✔ a polygon with all sides and all angles equal