Basic Geometry Transform- ations Area and Perimeter Ratio & Proportion

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Presentation transcript:

Basic Geometry Transform- ations Area and Perimeter Ratio & Proportion Eleanor M. Savko Basic Geometry Transform- ations Area and Perimeter 5/5/2019 Ratio & Proportion Mixed Review 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt

A line that goes through the center of a cirlce

Eleanor M. Savko 5/5/2019 What is the diameter?

Eleanor M. Savko 5/5/2019 All squares are this

Eleanor M. Savko 5/5/2019 What is similar?

Has the same shape and the same size Eleanor M. Savko Has the same shape and the same size 5/5/2019

Eleanor M. Savko 5/5/2019 What is congruent?

Half of the diameter Eleanor M. Savko 5/5/2019

Eleanor M. Savko 5/5/2019 What is the radius?

How do you find perimeter of a polygon? Eleanor M. Savko 5/5/2019

What is “add all the sides? Eleanor M. Savko 5/5/2019 What is “add all the sides?

These include reflections, translations, and rotations Eleanor M. Savko 5/5/2019 These include reflections, translations, and rotations

What are: TRANSFORMATIONS Eleanor M. Savko 5/5/2019

Eleanor M. Savko 5/5/2019 An object is reflected from quadrant I to quadrant IV across which axis …..

A reflection over the x axis Eleanor M. Savko 5/5/2019 A reflection over the x axis

A triangle is rotated 90º from its original position of : A: (2,1) B: (4,3) C:(5,0) What are the new (x,y) Eleanor M. Savko 5/5/2019

Eleanor M. Savko What is A: (1, -2) B: (3, -4) C: (0, -5) 5/5/2019

Identify the following as to what type of transformation? (x + 3, y -6) Eleanor M. Savko 5/5/2019

Eleanor M. Savko 5/5/2019 What is a translation

Identify each type of transformation and describe. (2x, 2y) (3, -5 ) becomes (-3, -5) (4, 3) becomes (3, -4) Eleanor M. Savko 5/5/2019

What is : Dilation Reflection across y Rotation 90º Eleanor M. Savko 5/5/2019 What is : Dilation Reflection across y Rotation 90º

What is the formula C = π D finding? Eleanor M. Savko 5/5/2019 What is the formula C = π D finding?

Eleanor M. Savko 5/5/2019 What is circumference?

Find the area of a triangle having a base of 6ft. and height of 4ft. Eleanor M. Savko 5/5/2019 Find the area of a triangle having a base of 6ft. and height of 4ft.

What is Area = ½ B H 12 feet². Eleanor M. Savko 5/5/2019

Eleanor M. Savko 5/5/2019 Find the area of a trapezoid having a height of 6, base 1 of 8, base 2 of 10 in.?

Eleanor M. Savko 5/5/2019 What is 54 in.²

The area of the original triangle is 12. Find the area with a SF of 3? Eleanor M. Savko 5/5/2019 The area of the original triangle is 12. Find the area with a SF of 3?

Eleanor M. Savko 5/5/2019 What is 108 in²?

A rectangle has an area of 15 cm², its similar rectangle has an area of 240 cm². What is the scale factor? Eleanor M. Savko 5/5/2019

Eleanor M. Savko 5/5/2019 What is a SF of 4 or 1:4?

A comparison between 2 amounts Eleanor M. Savko 5/5/2019 A comparison between 2 amounts

What is A ratio Eleanor M. Savko 5/5/2019

Are the following ratios proportional? Eleanor M. Savko 5/5/2019 Are the following ratios proportional? 45/60 & 15/20

Eleanor M. Savko 5/5/2019 What isYES

Eleanor M. Savko 5/5/2019 Set up and solve: the ratio between 2 triangles is 3:2- & if the corresponding sides are 9 and X, find the missing side length.

Eleanor M. Savko 5/5/2019 What is 6

These 3 ratios: 9/12, 15/20, 36/48 are equal to Eleanor M. Savko 5/5/2019 These 3 ratios: 9/12, 15/20, 36/48 are equal to

Eleanor M. Savko 5/5/2019 What is 3:4?

unit rate of 100 feet per 20 seconds is Eleanor M. Savko 5/5/2019 unit rate of 100 feet per 20 seconds is

Eleanor M. Savko 5/5/2019 What is 5 feet/second

Eleanor M. Savko 5/5/2019 Simplify 10/45

Eleanor M. Savko What is 2/9 5/5/2019

Eleanor M. Savko If a figure is enlarged 2 times bigger and the original area is 15, what is the new area? 5/5/2019

Eleanor M. Savko 5/5/2019 What is 60

If m = -3 and n = 7, what does 4m + 6n equal? Eleanor M. Savko 5/5/2019 If m = -3 and n = 7, what does 4m + 6n equal?

Eleanor M. Savko 5/5/2019 What is 30?

Which expression gives the perimeter of the triangle? Eleanor M. Savko 5/5/2019 Which expression gives the perimeter of the triangle? 2x + 1 3x -4 -4x + 6

Eleanor M. Savko 5/5/2019 What is X + 3?

The scale factor is 4; the original area is 20. What is the new area? Eleanor M. Savko 5/5/2019 The scale factor is 4; the original area is 20. What is the new area?

Eleanor M. Savko 5/5/2019 What is 320?