Classifying1
What type of angle measures exactly 90 degrees?
Right Angle
What is a triangle with three equal sides?
What is the sum of all angles in a triangle?
180 degrees.
What is the measure of x?
<A: 84
<B: 35
X= 61 degrees
“My faults will be – forgotten, but my love – will never die.”
Giacomo Puccini
What type of angle is greater than 90 degrees and less than 180 degrees?
Obtuse Angle
What is a triangle with two equal sides?
Isosceles
Complementary Angles.
Draw a triangle. What are the side lengths from least to greatest.
<A: 120 degrees
<B: 30 degrees
<C: 10 degrees
BA, AC, BC
“Start with what is right rather than what is acceptable.”
Franz Kafka
What type of angle measures exactly 180 degrees?
Straight angle
What is a triangle with angles only less than 90 degrees?
Acute triangle
What is nthe measure of the missing angle?
<A: 43
<B: 98
39 degrees
If I have used up 140 degrees in an angle. What is remaining?
40 degrees
TRAP!
What ancient civilization invented geometry?
What do we call angles that have the same measure?
Congruent
What triangle has an angle more than 90 degrees?
Obtuse triangle
What is the measure of x?
<A: 100
X= 40 degrees
What type of angle is 84 degrees?
Acute
“Every day is a journey and the journey itself is home.”
Matsuo Basho
What are angles who measure is less than 90 degrees?
Acute Angle
What is a triangle with no sides congruent in length?
Scalene
What is the measure of x?
<A: 51
<B: 53
X= 76 degrees.
TRAP!
Flip a coin. If it lands on heads you get 100 points. If it lands on tails the next group gets to flip a coin worth 200 points. The formula for points is as follows:
100x (X is the number of groups that have gone)
Congrats! How high did it get?
“If you lose your curiosity, then you stop learning.”
Katherine Johnson