Trigonometry - Right Triangle
Pythagorean Theorem
Special Right Triangles
45-45-90 Triangles
30-60-90 Triangles
Trivia
100
What is the ratio for Sine of a right triangle angle?
Opposite/hypotenuse
100
What is the only type of triangle that the Pythagorean theorem applies to?
a right triangle
100
Which special right triangle is formed by drawing the diagonal of a square?
45-45-90 or 30-60-90 ?
a 45-45-90 triangle
100
Find the length of the side AB of the triangle below.
side AB is 3
100
Find the missing side length.
√3
100
What did the little acorn say when he grew up?
Ge-om-e-try (Gee, I'm a tree)
200
What is the trig ratio for the Cosine of an angle of a right triangle?
Adjacent / hypotenuse
200
Where is the hypotenuse on a right triangle?
Across from the right angle
200
The side lengths of a 30, 60, 90 could be
____: _____: _____.
a. 2: 2square root 3: 4
b. 5: square root 3 : 10
c. 3: 3square root 3 : 5
d. 4 : 4: 4 square root 2
a. 2: 2square root 3 : 4
200
Given a 45-45-90 triangle, if the hypotenuse is
3 sqrt 2, what are the lengths of the legs?
3
200
Find the length of the side IR.
Side IR is 7
200
What is Cynophobia the fear of?
Dogs
300
What is the ratio for the Tangent of an angle of a right triangle?
Opposite / Adjacent
300
In the Pythagorean theorem, what letter is used to represent the hypotenuse?
the letter C
300
What is the classification for the 45-45-90 triangle? (based on sides and angles)
an isosceles right triangle
300
Find the length of the diagonal of the 45-45-90 triangle (legs are 8).
8√2
300
Find the hypotenuse.
x= 12?
300
On what day is Pi celebrated every year?
What is March 14th
400
What method should you use to find a missing side of a right triangle if you know two sides?
Pythagorean Theorem or Right Triangle Trigonometry?
What is Pythagorean Theorem?
400
If c=18, b = 7, then what is side a?
What is 16.6?
400
Which angle is opposite the short side of a 30-60-90 triangle?
the 30 degree angle
400
Find the hypotenuse of a 45-45-90 triangle if the short leg is 7.
The hypotenuse is 7sqrt2.
400
In a 30, 60, 90 degree triangle the hypotenuse is two times which leg (short or long)?
Short leg
400
Why did the student wear glasses to math class?
He was told it helps with di vision!
500
Given a triangle with angles 50,75, and 65 degrees. the two smaller sides are 10 and 12 cm. What trig ratio would you use to find the 3rd side (the largest)?
None, it's not a right triangle!
500
What completes the Pythagorean triple if a = 3 and b = 4?
c = 5
500
In which special right triangle is the hypotenuse 2 times as long as the short side?
a 30-60-90 triangle
500
Find the value of the leg of a 45-45-90 triangle with a hypotenuse of 10sqrt2.
what is 10?
500
The hypotenuse of a 30-60-90 triangle is 10. What is the length of the LONG leg?
The long leg is 5√3
500
Where is the best place to be in a room if you are cold?
The corner - it's 90 degrees!