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dimaraw [331]
3 years ago
6

Which is not a congruence statement based on this pair of polygons

Mathematics
1 answer:
serg [7]3 years ago
7 0
Since this is the same question as you have posted before ill go into deeper explanation to further help you.

Both Triangles are congruent, we know this because all the angles are equal to one another. The missing angle in both triangles is 90 degrees, we know this because these are considered right triangles hence the square in the corner. Looking further into the diagram we notice that B=E, F=A, and D=C knowing this we can then go through the process of elimination.

Answer choice D states A=F, since we already found that F does indeed equal A this statement is true therefore its not the answer.

Answer Choice C states ABC=FED this is asking if angle B is equal to angle E which we already found out to be true so this one is incorrect.

Answer Choice B states the line AC=FD since we know these triangles are congruent we know this statement is true, so this answer is also incorrect.

Answer Choice A states B=D this is false since we allready know B=E not D so this is the correct answer.
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What is the area of the small square?
Oksanka [162]

Answer:

4

Step-by-step explanation:

Since it is a square all sides are the same. For the first one 5 x 5 eqals 25. For the second one since it has a 2 on one side we multiply 2 x 2 to get 4.

4 0
2 years ago
Solve 3x2 + 2x + 7 = 0. Round solutions to the nearest hundredth. (5 points)
pishuonlain [190]
3x²<span> + 2x + 7 = 0
D = b</span>² - 4ac = 2² - 4*3*7 = 4 - 84 = -80
D < 0  ⇒ <span>No real solutions</span>  
7 0
4 years ago
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Christine has a rectangular poster. The poster is 1.5 meters long and 1.2 meters wide. What is the area of the poster in square
Setler79 [48]
Answer: 180cm^2

Explanation: First, multiply 1.5 by 1.2 to get the area of the rectangle in METERS, which is 1.8. Since the question is asking for the area in CENTIMETERS, multiply 1.8 by 100 (because 1 meter=100 centimeters) to get 180cm^2.

Hope that helped :)
7 0
3 years ago
I need help 5+(−4)+(−7)+2<br><br> can you guy help me for this questions
Monica [59]

Answer:

-4

Step-by-step explanation:

first remove the parentheses

5-4-7+2

then calculate the sum or difference

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4 0
4 years ago
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the area of a pentagon increased by 27 is the same as four times the difference of area and 15. what is the area of the pentagon
AfilCa [17]
This can be written as:
a+27=4(15-a)
now to work it out
a+27=4(15-a)
a+27=60-4a
4a+27=60
4a=33
a=8.25

<span>hope this helps :)</span>
6 0
3 years ago
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