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sweet [91]
4 years ago
11

Really needing help with this problem

Mathematics
2 answers:
Sveta_85 [38]4 years ago
7 0

Answer:

z = 80

Step-by-step explanation:

A quadrilateral has angles that sum to 360 degrees

E + C+ G+F = 360

100+60+120+F = 360

Combine like terms

280+F = 360

F = 360-280

F = 80

We know that ABCD is similar to FECG

That means  the measure of A =  measure of F

z = 80

hjlf4 years ago
6 0

Answer:60

Step-by-step explanation:

You might be interested in
What is the total number of unique triangles that can be formed with side lengths of 6.5 centimeters, 6 centimeters, and 2.5 cen
KonstantinChe [14]

Answer:

One

Step-by-step explanation:

For unique triangles with 3 sides, the sum of the two shorter sides must be greater than the third side.

Shorter sides:  6 cm and 2.5 cm

Longer side:  6.5 cm

6 + 2.5 = 8.5

As 8.5 > 6.5 this is a unique triangle

As the side lengths are fixed, only one unique triangle can be formed.

3 0
2 years ago
Ed walsh wanted to purchase a used car. He obtained a 6,700 installment loan at an APR of 6%. He must repay the loan in 2 years.
DiKsa [7]

Answer:

$519.43

Step-by-step explanation:

bc it is

3 0
3 years ago
What is the measure of jkl
PilotLPTM [1.2K]
The external angle of a polygon can be found with the following formula:

(n-2) * 180 / n

n is the amount of sides to the polygon. 

There are 9 sides to this polygon. Plug this value into the equation:

(9 - 2) * 180 / 9 = 7 * 180 / 9 = 1260 / 9 = 140

The exterior angle of a polygon is 140.

There is an equilateral triangle that affects segment JKL. The exterior angle and the angle of two of the sides of the equilateral triangle are added in this case. 

An equilateral triangle always has angles of 60-60-60. Therefore, you can find the angle of JKL with the following equation:

(140 + 60) - (200 - 180) = 180 - 20 = 160

The maximum angle of a line is 180. The angles combined together are 200, so you will have to subtract the difference of 200 and 180 from the combined angles.

The angle of line JKL is 160 degrees.




7 0
4 years ago
What is the value of the expression below when x = 3?<br> 10x2 – 7x + 10
QveST [7]

Answer:

79

Step-by-step explanation:

To find the value of 10x^2 – 7x + 10, when x = 3, simply plug in the value of x in the expression and solve as follows:

10(3)^2 – 7(3) + 10

10(9) – 21 + 10

90 – 21 + 10

79

The value of 10x^2 – 7x + 10, when x = 3, is 79

5 0
3 years ago
A square has an area of 49 in.² what is each side of the perimeter
ludmilkaskok [199]
I hope this helps you




square one side a



Area=a.a



49=a.a



7.7=a.a



a=7



Perimeter=4a=4.7=28
8 0
3 years ago
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