Triangles
Angles
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100
I have one 90 degree angle.
A right triangle
100
I am any angle that is less than 90 degrees.
an acute angle
100
Draw a straight angle
<o>
100
I am a triangle with 2 sides that are the same length
isosceles triangle
100
How many degrees do the angles in a triangle add up to?
180 degrees
200
I have 3 sides that are all the same length
equilateral triangle
200
I am an angle that is greater than 90 degrees
an obtuse angle
200
Draw a right angle
  o
200
All of my angles are less than 90 degrees
acute triangle
200
Describe a scalene triangle
ALL sides are DIFFERENT LENGTHS
300
I am a triangle with 1 angle greater than 90 degrees and 2 angles less than 90 degrees
an obtuse triangle
300
I am an angle that measures exactly 90 degrees
a right angle
300
Draw a 45 degree angle
(See student work)
300
I am a triangle with 3 sides that are all different lengths
scalene triangle
300
This question is about a triangle: If angle A is 40 degrees and angle B is 60 degrees, what is the measurement of angle C?
40 + 60 = 100 180  100 = 80 degrees
400
Describe an Isosceles triangle
A triangle with TWO sides that are the same LENGTH and ONE side that is a DIFFERENT LENGTH
400
I am a straight angle, what is my measurement in degrees?
180 degrees
400
Draw a 160 degree angle
(See student work)
400
Draw a right triangle
(See student work)
400
Two triangles that are exactly the same size and same shape are called...
congruent
500
is it possible to have a triangle with 2 right angles?
no
500
What 2 types of angles do you find in the letter A?
Acute and obtuse angles
500
Draw a 162 degree angle
(See student work)
500
Draw an isosceles triangle
(See student work)
500
Brandon draws a triangle that has one 160 angle. What is the measurement of each of the other two angles in the triangle?
180  160 = 20 20 / 2 = 10 Each angle is 10 degrees
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