Answer:
1. x is 9
2. y is 4
3. these triangles are equilateral
Step-by-step explanation:
1. since BA and ED is equal hence, 6x-9=5x, transpose like values so it becomes 6x-5x=9 --> x=9
2. like number 1 question, AC and DF are equal hence, 11y+1=8y+13. transpose like terms so it becomes 11y-8y=13-1 --> 3y=12 --> y=12/3--> y=4
3. for number three just replace the lettrs X and Y with the derived answer from 1 and 2. each side is equal.
Hope its help!
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