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NAME:____________________________ DATE:________________ PERIOD:___
Geometry
Chapter 3 Review
Complete each statement with the word: Always, Sometimes, or Never.
1. Two lines that do not intersect are _________________ parallel.
2. Two lines parallel to the same plane _____________ intersect.
3. Through a point not on a line, one can _________ draw a line parallel to the line.
4. An acute triangle is ___________ a right angle.
5. Two lines parallel to a third line are _____________ parallel to each other.
6. If two lines are cut by a transversal, then the corresponding angles are _________
congruent.
7. Two lines perpendicular to the same line are _________ parallel.
8. If line A is parallel to line B and line B is parallel to line C, then line A is
____________ parallel to line C.
9. If a triangle is scalene, then it is __________ isosceles.
10. If a triangle is isosceles, then it is ______________ equilateral.
11. If a triangle is scalene, then it is ______________ obtuse.
Define the following terms:
Scalene TriangleIsosceles TriangleEquilateral TriangleAcute TriangleObtuse TriangleRight Triangle-
Draw each figure. Use marks to identify your picture.
Scalene Triangle-
Isosceles Triangle-
Acute Triangle-
Obtuse Triangle-
Equiangular Triangle-
Right Triangle-
What is the sum of measure of the angles of a triangle?
A polygon has 17 sides. Find the sum of the measures of the interior angles.
A regular polygon has 15 sides. Find the measure of each exterior angle.
Find the measure of one interior angle of a regular pentagon.
Find the measure of one interior and one exterior angle of a regular hexagon.
Find the exterior angle sum of a 30-sided polygon.