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Marrrta [24]
3 years ago
14

Three interior angles of a quadrilateral measures 55,117,and 120 what is the measure of the fourth interior angle?

Mathematics
2 answers:
marissa [1.9K]3 years ago
6 0

Answer:

A 68

Step-by-step explanation:

Bec I’m smart I think

Goshia [24]3 years ago
4 0

Answer:

I think it is 8 because all the angles should measure up to 360

Step-by-step explanation:

You might be interested in
When 80% of a is added to the number, the result is 252. What is the number
wariber [46]
Use the equation .8x + x = 252
x is the number, and .8 is the decimal equivalent of 80%.

1.8x = 252

x = 140
6 0
3 years ago
If EF bisects CD.CG = 5x - 1, GD = 7x-13, EF = 6x - 4, and GF = 13. find EG.
Iteru [2.4K]

Answer:

EG = 19

Step-by-step explanation:

* Lets explain how to solve the problem

- If a line bisects another line that means the point of intersection

 divides the second line into two equal parts

∵ EF bisects CD at G

∴ CG = GD

∵ CG = 5x - 1

∵ GD = 7x - 13

∴ 7x - 13 = 5x - 1

* Lets solve the equation

∵ 7x - 13 = 5x - 1

- Subtract 5x from both sides and add 13 to both sides

∴ 7x - 5x = 13 - 1

∴ 2x = 12

- Divide both sides by 2

∴ x = 6

- Point G divides EF into two parts EG and GF

∴ EF = EG + GF

∵ EF = 6x - 4

- Substitute the value of x to find EF

∵ x = 6

∴ EF = 6(6) - 4 = 36 - 4 = 32

∴ EF = 32

∵ GF = 13

- Substitute the values of EF and GF in the equation of EF

∴ 32 = EG + 13

- Subtract 13 from both sides

∴ 19 = EG

* EG = 19

3 0
3 years ago
Please help !!!!!!!!!
Dmitrij [34]

Answer:

9^2= 81, √25= 5, 21^2= 441, √4= 2, √144= 12, 16^2= 256, √625= 25, (-11)^2=121

3 0
2 years ago
What are the coordinates of the intersection of the graphs of 3x - y^2 = 12 and y = -3
inessss [21]

Answer:

(7,-3)

Step-by-step explanation:

y = -3

substitute in the first equation

3x - y^2 = 12

3x - (-3)^2 = 12

3x - 9 = 12

3x = 12 + 9

3x = 21

x = 7

coordinates of intersection (7,-3)

3 0
2 years ago
Need help ASAP (You dont have to show work, just answer it)
anyanavicka [17]

Answer:

$50.40  is the answer

Step-by-step explanation:

12% of  45 is 5.40  so if we add $5.40 and $45 we get $50.40

hope this helps ^-^ have a wonderful day

4 0
2 years ago
Read 2 more answers
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