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Geometry By Robbie Donnelly

Published on Apr 02, 2016

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1.

Geometry:
By......
ROBBIE
DONNELLY

2.

Acute angle:
An angle with a measure greater than 0 and less than 90

3.

Obtuse angle:
Any angle that measures greater than 90 but less than 180

4.

Right angle:
An angle that measures exactly 90

5.

Straight angle:
An angle that measures exactly 180

6.

Vertical angles:
Opposite angles formed by the intersection of two lines.

7.

Adjacent angles:
are two angles that have a common vertex and a common side

8.

complementary angles :
either of two Angles whose sum is 90°

9.

supplementary angles:
either of two angles whose sum is 180°.

10.

CORRESPONDING ANGLES:
any pair of angles each of which is on the same side of one of two lines cut by a transversal and on the same side of the transversal.

11.

A transversal:
is two parallel lines intersected by a third line at an angle.

12.

acute triangle:
all angles are less than right angleseach one is less than 90 degrees. An acute triangle may be equilateral, isosceles, or scalene

Photo by gazzaPax
13.

RIGHT TRIANGLE:

A TRIANGLE WITH A RIGHT ANGLE.
14.

An obtuse angle:
is any angle larger than 90 degrees. An obtuse triangle is a triangle containing an obtuse angle.

15.

A scalene triangle is a triangle that has three unequal sides, such as those illustrated above.

16.

isosceles triangle:
is a triangle that has two sides of equal length

17.

Equilateral Triangle:
A triangle with all three sides of equal length

Robbie Donnelly