AB is parallel to CD, a) Find the value of angle x. b) work out the value of angle y.
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Answer:
The length of the third side could be greater than 3 units and less than 15 units.
Step-by-step explanation:
If a, b and c are three sides of the triangle, then
Since one side has a length of 9 units and another side has a length of 6 units, you have
Hence, you get
Altogether,
The length of the third side could be greater than 3 units and less than 15 units.