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Mrs. Luck
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Get in LINE!
Angles & Demons
Are you being Obtuse?
What’s My Measure?
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Row 1, Col 1
A piece of a line that has two endpoints.
What is a LINE SEGMENT?
1,2
An angle whose measure is greater than zero
and less than 90o.
What is ACUTE?
1,3
What is an acute triangle?
1,4
The measure of angle a if
angles b and c are each 60o.
What is 60o?
a
b
c
2,1
A straight path that goes forever in opposite directions.
What is a LINE?
2,2
The common endpoint shared by the rays that
form an angle.
What is a VERTEX?
2,3
What is a right triangle?
2,4
A triangle whose sides and angles
are all congruent.
What is EQUILATERAL?
3,1
A straight path that begins at one point and extends
infinitely in one direction.
What is a RAY?
3,2
An angle whose measure is greater than 90o and
less than 180o.
What is OBTUSE?
3,3
What is an obtuse triangle?
3,4
A triangle whose sides measure5cm, 12 cm, and 8 cm.
What is SCALENE?
4,1
Lines that are always the same distance apart and will never intersect.
What are PARALLEL LINES?
4,2
A semi-circular tool used to measure angles.
What is a PROTRACTOR?
4,3
The distinctive way to name a triangle based
on its angle measures.
What is by the third non-acute angle?
4,4
A triangle that has two sides and two angles
that are congruent.
What is ISOSCELES?
5,1
Lines that intersect to form right angles.
What are PERPENDICULAR LINES?
5,2
Of 80o, 90o, or 100o, the best measure
for the angle shown:
What is 90o?
5,3
The sum of the measures of all three angles in a triangle.
What is 180o?
5,4
A right triangle with sides measuring 4m, 4m, and 5.5m
has these angle measures.
What is 45o, 45o, and 90o?