What is the phrase we use to help us remember our Trigonometric Ratios?
SohCahToa
How do we write out Pythagorean Theorem?
a2+b2=c2
ABCD is a square whose side is 8 units. What is the length of diagonal AC (keep in radical form)?
8 x 21/2
A 90-foot escalator rises 28 feet vertically. What is the angle of elevation that the escalator makes with the floor?
18.1 degrees
What does the C in Cah stand for?
Cosine
What does x equal? (remember your units)
6 cm
What are the proportions of a 30-60-90 triangle?
x, x(3)1/2, 2x
An 8-foot ladder is placed against a building at an angle of 46˚. How far up the building will the ladder reach?
5.6 feet
What ratio is equal to opp/adj
Tangent
A carpenter wants to build a handicap ramp over a set of steps that is 12 feet long and 5 feet high. What is the length of the ramp ?
13 feet
A brick walkway forms the diagonal of a square playground. The walkway is 23 m long. In simplest radical form, what is the length of one of the sides of the playground?
23 x 21/2 / 2
A treasure chest is buried 150 feet under a building. If you start digging 850 feet from the building, at what angle of depression must you dig to reach the chest?
10 degrees
Which Trigonometric Ratio should I use to solve for Angle B?
Cosine
A baseball diamond is a square with sides of 90 feet. What is the distance, to the nearest feet, between first base and third base?
about 127 feet
A ladder leaning against a tree makes a 30° angle with the ground. The base of the ladder is 8 m from the tree. How high up the tree does the ladder go (in simplest radical form)?
8 x 31/2 / 3
A hot-air balloon pilot sights the landing field from a height of 2000 feet. The angle of depression is 24˚. To the nearest foot, what is the distance from the hot-air balloon to the landing field?
4917.2 feet
Solve for Angle A.
66.4 Degrees
The rectangle PQRS represents the floor of a room. Gia stands at point A. What is the calculated distance from Gia ( to the nearest meter) to the corner S of the room?
about 11 m
If the hotel's window is 36 feet above the ground and you must place your ladder 60° with the ground. What length of the ladder ( in simplest radical form) is needed to reach the tower window?
24 x 31/2
A surveyor measuring the tallest tree in a park is 100 feet from the tree. His angle-measuring device is 5 feet above the ground. The angle of elevation to the top of the tree is 48˚. How tall is the tree?
116.1 feet