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igor_vitrenko [27]
2 years ago
8

Find the value of x that makes the shape a rhombus.

Mathematics
1 answer:
goldenfox [79]2 years ago
5 0

Given:

CDEF is a rhombus.

To find:

The value of x.

Solution:

We know that the diagonals of a rhombus are angle bisectors because they bisect each vertex angle.

5x+1=8x-20

5x-8x=-1-20

-3x=-21

Divide both sides by -3.

x=\dfrac{-21}{-3}

x=7

Therefore, the value of x is 7.

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