Question

pls
ans
my
question​

Answer 1

Step-by-step explanation:

angle bed+angle aec=180⁰(linear pair)

angle bed+123⁰=180⁰

angle bed=57⁰

angle bed=angle ecd(vertically opposite angle)

angle ecd=57⁰

Hope it helps

if it helps then pls mark it as brainlist

Answer 2

HERE IS YOUR ANSWER MATE.....;

$<marquee></u></em></strong><strong><em><u>ANGLE</u></em></strong><strong><em><u> </u></em></strong><strong><em><u>ECD</u></em></strong><strong><em><u> </u></em></strong><strong><em><u>=</u></em></strong><strong><em><u> </u></em></strong><strong><em><u>5</u></em></strong><strong><em><u>7</u></em></strong><strong><em><u>°</u></em></strong><strong><em><u>$

HOPE ITS HELPFUL.....:-)