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Bezzdna [24]
3 years ago
6

PLS HELP!!! 40 POINTS! How do you prove that two polygons are similar in geometry

Mathematics
1 answer:
jeka57 [31]3 years ago
5 0

Answer: Any two polygons are similar if their corresponding angles are congruent and the measures of their corresponding sides are proportional: In the figure above the ratio or the scale factor of the quadrilateral to the left versus the quadrilateral to the right is ½.

Step-by-step explanation:  This what I could coem up with. Hope this helps !!

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If there are 19 red marbles for every black marble in a bag of 120 marbles, how many red marbles are in the bag?
lesya692 [45]

Answer:6

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Write in slope intercept form an equation of the line that passes through the given points. (-1,7) , (3,-1)
Tcecarenko [31]

Answer! :

y = -2x + 5

Step by Step! :

slope intercept form:

y = mx + b

m being slope, b being the y intercept.

To find the slope, use this equation:

y^2 - y^1 / x^2 - x^1

Plug in your points.

(-1) - (7) / (3) - (-1)

-8 / 4

-2 is your slope! (y = -2x + b)

To solve for b, plug in any one of your points and solve for b. Let's use (3, -1)

-1 = -2(3) + b

-1 = -6 + b

5 = b

Your new equation is...

y = -2x + 5

6 0
2 years ago
A spinner is divided into 10 congruent sections, numbered 1 through 10. If Cleo spins the spinner once, what is the probability
mario62 [17]

Answer:

20% or 1/5 or 0.2

Step-by-step explanation:

1. There are 10 sections, which means <em>each section has a a chance of 10% to be landed on</em>.

2. There are <em>two multiples of four under 10: 4 and 8</em>.

That means there is a <em>2 * 10%</em> = 20% chance that the spinner will land on a multiple of 4.

7 0
3 years ago
A rectangle is drawn on a coordinate grid. three of its four vertices are located points ( -1,-2), (-1,4) and (2,-2). What is th
givi [52]
Hello,

C=(2,4) is the vertex missing.
Make a draw.


5 0
3 years ago
6.
disa [49]

Answer:

1/3

goes up one over three

rise over run

3 0
2 years ago
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