SOLUTION: m∠CDF=(4x - 5)°, and m∠BCD=(7x+8)°. Find the value of x. Then, find m∠EFC.

Question 1204837: m∠CDF=(4x - 5)°, and m∠BCD=(7x+8)°.
Find the value of x. Then, find m∠EFC.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
What type of quadrilateral is it?
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