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3 years ago

What value of x makes the 2 triangles congruent by SAS? Find the length of FE

Mathematics

1 answer:

Ksju [112]3 years ago

7 0

Answer:

x = 4

FE = 8

Step-by-step explanation:

Congruent means equal. Notice how both F and C equal 30 degrees while line AC and line DF are both equal to 9 inches. This means we can equal line CB to line FE to find the value of x:

2x = x + 4

Isolate variable x by subtracting both sides by x:

2x - x = x - x + 4

x = 4

Check your work:

2(4) = 4 + 4

8 = 8

Correct

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