What is the phrase we use to help us remember our Trigonometric Ratios?
SohCahToa
What does it mean when two shapes are similar?
same Proportions, different sizes
What are the two things you need to describe a Dilation?
Scale Factor and Center
How do we write out Pythagorean Theorem?
Determine the surface area in square inches of a rectangular prism with dimensions 4 in. by 3 in. by 2 in.
52 square inches
What does the C in Cah stand for?
Cosine
What are two of the three similarity Theorems
AA Theorem, SSS Theorem, SAS Theorem
I multiply to corresponding sides to help your pre-image become the image. What am I?
Scale Factor
What are the Two special right triangles we know about?
45-45-90 and 30-60-90
Determine the volume in cubic centimeters of a rectangular prism with dimensions 8 cm by 5 cm by 2 cm.
80 cubic centimeters
What ratio is equal to
(opp)/(adj)
Tangent (or Tan)
Corresponding angles in similar triangles are what?
Congruent
A souvenir shop sells standard-sized decks of cards and mini-decks of cards. A card in the standard deck is a rectangle that has a length of 3.5 inches and a width of 2.5 inches. The perimeter of a card in the mini-deck is 6 inches. What is the area of a card in the mini-deck?
22 square inches
What does x equal? (remember your units)
6 cm
A rectangular strip of aluminum, 30 cm long and 10 cm wide, is rolled into the form of a cylinder. Which would have the greater volume, a cylinder 10 cm high with circumference of 30 cm or a cylinder 30 cm high with circumference of 10 cm?
A cylinder 10 cm high with circumference of 30 cm
Which Trigonometric Ratio should I use to solve for Angle B?
Cosine (Cos)
Are these two triangles similar? How do you know?
yes, AA Theorem.
Which point is the Center?
Point B
45-45-90 triangles are half of which shape?
Square
A square prism of height 11 inches has a volume of 539 cubic inches. Find the length of each side of the square base.
7 inches
Solve for Angle A.
66.4 Degrees (or about 66)
Are these two triangles similar? How do you know?
yes, SAS theorem.
What's the scale factor between these two triangles?
3 or 1/3
30-60-90 Right Triangles are half of which shape?
Equilateral Triangles
Jonathan wrapped a soccer ball in a box in the shape of a square pyramid. The box has a base with sides 12 inches and a slant height of 20 inches. How many square inches of cardboard were used to make the box?
624 square inches