Answer:
20 units^2
Step-by-step explanation:
5 x 4
20
30 plus EF = 180
Ef = 150
circumscribed angle plus the central angle is 180
<span> 110y+10=340
Subtract 10 from both sides
110y=330
Divide by 110 to get variable on its own
</span>110y/110=330/110
y=3
