Find the value of x. 140°
40°
2x
O A. 50
O B. 70
O C. 20
O D. 90
Please help

How do you answer this question? (step by step)

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer