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yan [13]
3 years ago
10

In order for the parallelogram to be a rhombus, x=? (7x+13)º

Mathematics
1 answer:
kvv77 [185]3 years ago
3 0

Answer:

x = 11

Step-by-step explanation:

The diagonals of a rhombus are perpendicular meaning that they create 90 degree angles

If they create 90 degree angles then 7x + 13 = 90

( Note that we've just created an equation that we can use to solve for x )

We now solve for x algebraically using the equation we created

7x + 13 = 90

Step 1 Subtract 13 from both sides

7x = 77

Divide both sides by 7

x = 11

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