For what value of x is the given parallelogram a rhombus ?
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Answer:
x = 6
Both the angles are equal
7x + 4 = 9x - 8
9x - 7x = 4 + 8
2x = 12
x = 6
Solution:
We know that:
This means that:
Step-by step calculations:
Open the parenthesis:
Subtract 7x both sides:
Add 8 both sides:
Divide 2 both sides: