Answer:
Step-by-step explanation:
Givens
Parallelogram EASY with diagonal ES
<AES = 40
<Y = 110
Solution
<AES = 40 Â Â Â Â Â Â Â GIVEN
<ESY = 40 Â Â Â Â Â Â Â Â Â Â Z THEOREM OF A PRALLELOGRAM
<A = <Y Â Â Â Â Â Â Â Â Â Â Â Â PROPERTY OF A PARALLELOGRAM
<A = <110 Â Â Â Â Â Â Â Â Â Â Â <A = 110 BECAUSE <Y = 110
<YES = 180 - <Y Â Â Â Â Â -<ESY EVERY TRIANGLE HAS 180o
<YES = 180 - 110 - 40 Â Â SIMPLIFY
<YES = 30
<YEA = <YES + <AES Â Â WE KNOW BOTH ANGLES ON THE RIGHT.
<YEA = 30 + 40 Â Â Â Â Â Â COMBINE
<YEA = 70
You could do <YEA by noting that consecutive angles of a Parallelogram equal 180