unit 7 ughhhh

Question 1

King Henry Died By/Monday Drinking Chocolate Milk

Answer 1

Kilo, Hecto, Deca, Base/Meter, Deci, Senti, Milli

Question 2

The ratio of one number to another is-

Answer 2

-the quotient when the first number is divided by the second number. Usually in simplest form

Question 3

Proportion

Answer 3

An equation stating that two ratios are equal

Question 4

EX:
a/b = c/d and a:b = c:d

Answer 4

a is the first term, b is the second term, c is the third term, d is the forth term

Question 5

Extremes

Answer 5

The first and last terms of a proportion

Question 6

Means

Answer 6

The middle terms of a proportion

Question 7

Means - Extremes Property

Answer 7

Cross multiplication

Question 8

a/b = c/d is equivalent to-

Answer 8

-ad = bc

Question 9

Properties of Proportions

Answer 9

Term for when you replace one proportion by an equivalent proportion

Question 10

EX: a/b = c/d is equivalent to:

Answer 10

• ad = bc
• a/c = b/c
• b/a = d/c
• a+b/b = c+d/d

Question 11

PRACTICE: a/b = 3/5.

5a=

Answer 11

3b

Question 12

PRACTICE: a/b = 3/5.

5/b =

Answer 12

3/a

Question 13

PRACTICE: a/b = 3/5.

a + b / b =

Answer 13

3 + 5/5 = 8/5

Question 14

PRACTICE: a/b = 3/5.

5/3 =

Answer 14

b/a

Question 15

Similar polygons

Answer 15

polygons with same shape but not necessarily the same sides

Question 16

Two polygons are similar if their vertices can be paired so that (2)

Answer 16

a) corresponding angles are congruent
b) corresponding sides are in proportion

Question 17

Scale factor

Answer 17

the ratio of the lengths of two corresponding sides

Question 18

AA Similarity Postulate

Answer 18

If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar

Question 19

CSSTP

Answer 19

Corresponding sides of similar triangles are proportional

Question 20

SAS Similarity Theorem

Answer 20

If an angle of one triangle is congruent to an angle of another triangle and the sides including those angles are in proportion, then the triangles are similar

Question 21

SSS Similarity Theorem

Answer 21

If the sides of 2 triangles are in proportion, then the triangles are similar

Question 22

Triangle Proportionality Theorem

Answer 22

If a line parallel to one side of a triangle intersects the other two sides, then it divides those sides proportionally

Question 23

If three parallel lines intersect two transversals,

Answer 23

then they divide the transversals proportionally.

Question 24

Triangle angle-bisector Theorem

Answer 24

If a ray bisects an angle of a triangle, then it divided the opposite side into segments proportional to the other two sides

Question 25

2(a+7)/6a+42

Answer 25

1/3

Question 26

If 5:x = 9:3, then 9x =

Answer 26

15

Question 27

Two congruent triangles are ___________ similar.

Answer 27

always

Question 28

Two equilateral triangles are ___________ similar

Answer 28

always