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LLE Resource Math - Construction and Scale Drawings
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Terms in this set (32)
Acute Angle
Less than 90 degrees
Right Angle
Equal to 90 degrees
Obtuse Angle
Greater than 90 degrees and less than 180 degrees
Straight Angle
Equal to 180 degrees
Adjacent Angle
Two angles are adjacent when they share a common side and have the same vertex
Vertical Angle
Two angles that are opposite and congruent formed by 2 lines that cross
Congruent Angles
Angles that have the same measure
Complementary Angles
Two angles are complementary angles when the sum of their measures is 90 degrees (hint: you have to be close (90 degrees) to give a compliment to someone)
Supplementary Angles
Two angles are supplementary angles when the sum of their measure is 180 degrees
Acute Triangles
Has all acute angles
Obtuse Triangles
Has 1 obtuse angle
Right Triangle
Has 1 right angle
Equiangular Triangle
Has 3 congruent (same) angles
Congruent Sides
Sides that have the same length
Scalene Triangle
No congruent sides
Isosceles Triangle
At least 2 congruent sides
Equilateral Triangle
3 congruent (same) sides
Sum of Angle Measures of a Triangle
<x +< y +< z = 180
Quadrilateral
is a polygon with 4 sides
Trapezoid
Quadrilateral with exactly 1 pair of parallel sides
Parallelogram
Quadrilateral with opposite sides that are parallel and congruent
Kite
Quadrilateral with 2 pairs of congruent (same) adjacent sides and opposite sides that are not congruent
Rectangle
Parallelogram with 4 right sides
Square
Parallelogram with 4 congruent sides and 4 right angles
Rhombus
Parallelogram with 4 congruent sides
7 types of Quadrilaterals
Quadrilaterals, trapezoid, parallelogram, kite, rectangle, square, rhombus
4 types of Parallelograms
Parallelogram, rectangle, square, rhombus
Sum of the Angle Measures of a Quadilateral
<w + <x + <y + <z = 360
Scale Drawing
Is a proportional, two-dimensional drawing of a object
Scale Model
Is a proportional, three-dimensional model of an object
Scale
The measurements in scale drawings and models are proportional to the measurements of the actual object. The SCALE gives the ratio that compares the measurements of the drawing or models with the actual measurements.
1 in. (drawing distance)
_________________; 1 in. : 10 mi
10 mi (actual distance)
Finding: Actual Distance, Distance in a Model, and Scale Factor
model (in): model (in)
______ = ______
actual (mi): actual (mi)
*Hint: Units must match on top and must match on bottom:
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