Answer:
49/4pi
Step-by-step explanation:
Area of circle: pi(r)^2. You plug in r aka radius, which is 3.5mm. pi(3.5)^2 is 49/4pi, so around 48.4845 mm^2.
Answer:
3
Step-by-step explanation:
Just multiply .25
D because a straight line is 180 degrees. Since 2x+15 and 65 add up to a straight line (180 degrees) in the picture, the answer is D.
Follow PEMDAS
22 x 12 = 264
11 + 5 = 16
264 + 16 = 280
280 - 10 = 270
270 is your answer
hope this helps