Right Triangles & Pythagorean Theorem
Trigonometric Ratios
Law of Sines or Cosines
The value of X
Review
100
Done these line segments create a right triangle?
48,55,73
Yes
100
What means the triangle in Greek?
Trigonometry
100
Use the Law of Cosines to find the missing angle.
88
100
Find the value of x.
9.3
100
How many letters are in the alphabet?
26
200
Triangle ABC has a sides of 16, 64 and x. How long is the third side?
66
200
What is the sine ratio for angle A?
195/197
200
Use the law of sines to find the missing side.
34.5
200
Find the value of X.
16.7
200
Name three quadrilaterals.
rhombus, square, rectangle, etc.
300
What is the angle of elevation to the top of a 40 foot building from 80 feet away?
26.6
300
Which is equal to
sqrt2 /2
sin30, cos45 or tan30
Cos45
300
What is the perimeter of ABC to the nearest whole number?
62
300
Find the value of X.
56.44
300
What is the difference between altitudes and a median in triangles?
Altitudes are perpendicular from the vertex of a triangle to the line containing the side opposite the vertex.
Medians is a segment that has endpoints at a vertex and the midpoint of the side opposite the vertex.
400
The hypotenuse of a 30-60-90 triangle has a length of 15cm. What is a possible length for a leg of the triangle?
7.5
7.5 sqrt3
400
To the nearest tenth which is the perimeter of the triangle?
11.8
400
Find BC to the nearest tenth.
20.7
400
What is x to the nearest tenth?
37.5, 103, or 52.5
52.5
400
How many lines of symmetry does a regular hexagon have?
6
500
What is the area of the rectangle?
22,272
500
What is the value of x to the nearest tenth?
31.62
500
What is the angle of depression from the start of a 3-foot-high access ramp that ends at a point 20 feet away along the ground.
8.5
500
Use the Law of Sines to write an expression that represents angle measure x.
sin^-1 (15.5 * sin73)/26.9
500
A park bench sits 778 feet from the base of the Gateway Arch in St. Louis, Missouri. The angle of elevation from the ground where the park bench sits to the top of the Gateway Arch is 39. How tall is the Gateway Arch?
630 feet