Question

am i correct

Answer 1

http://prntscr.com/i6w3oj

WHAT IS X?

Answer 2

my answer is 145.5

Answer 3

Clarification: What does the first part of the question say? "C are collinear"

Answer 4

oh this is the original question http://prntscr.com/i6wcj7

Solving for (B)

Answer 5

each triangle only has one side provided so SAS does not apply here

angle DCE and ACB are congruent by virtue of being vertical angles
the 90 degree angle is given for both triangles

so they are similar via AA similarity postulate

Answer 6

145.5 is correct for part B

Answer 7

wow thanks!