Answer:

Step-by-step explanation:






<u>FINAL ANSWER</u>

<u><em>In Decimal Form (Rounded to 3 significant figures)</em></u>
<em>x≈-1.24, 3.24</em>
Since the area of a circle is π

, and our radius is 9 we know the total area to be 254.469, and the ratio of sector area to total area is 169.56/254.469 = .6663. There are 360 degrees in a circle, so:

≈ 240°
240 degrees
1) Area of trapezoid =1/2(base 1 +base 2)* height
Answer:
11
Step-by-step explanation:
17 + 9 +11 + 7 = 44
44/4 = 11