Answer:
x=30°
Step-by-step explanation:
50 + x =80 degree (sum of two interior opposite angles is equal to the exterior angles formed)
x=80-50
x=30 degree
The answer is 9/4. To write that as a mixed fraction, you can write, 2 1/4
<span>Area of a circle=πd^2/4, d=diameter
Area of 4 given circles with diameter of 12 m=4*3.14*12^2/4= 452.2 m^2</span>