Angle pairs Mathematics Question help

Need to know if all answers are correct.   I have to get 100% on this quiz.  Please check answers and verify they are all correct. Thanks.

1.  Vertical angles:  <AFE and <CFD
2.  Complementary angles: <AEF and <DEF
3.  Linear pair: <BCE and <ECD
4.  20
5.  Angles combine to form a straight line
6.  Since it is a right angle instead of straight line, the calculation should be
4x +2x = 90
6x=90
X =15

 
“Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!”

"Do you need a similar assignment done for you from scratch? We have qualified writers to help you with a guaranteed plagiarism-free A+ quality paper. Discount Code: SUPER50!"
Assignment Writers