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Charra [1.4K]
3 years ago
6

I really need help with this. Even if it is just one, I would like some help.

Mathematics
1 answer:
nikitadnepr [17]3 years ago
7 0

9514 1404 393

Answer:

  7.  45

  8.  8

Step-by-step explanation:

The incenter is equidistant from the sides of the triangle. Here, you're given two of the radius measures as expressions in x, and you're asked to find the third. They are all the same, so you can equate and evaluate the expressions.

__

7. 5x = 3x +18

  2x = 18 . . . . . . subtract 3x

  x = 9

  WR = 3x +18 = 3(9) +18 = 45

QW = 45

__

8. 15x -37 = 7x -13

  8x = 24 . . . . . . . . . . add 37-7x

  x = 3

  DW = 7x -13 = 7(3) -13 = 8

WE = 8

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