Brownie55 Brownie55 06-03-2020 Mathematics contestada WILL GIVE BRAINLIEST! Which equation could be used to find the value of x? Picture: Triangle DEF where angle E is a right angle. DE measures 55. EF measures x. Angle D measures 49 degrees. A) cos 49° = x over 55 B) tan 49° = x over 55 C) cos 49° = 55 over x D) tan 49° = 55 over x