here is a tunnel for a toy train the diagram below shows the cross section of the tunnel ad is a semicircular arc of radius 10cm bc is a semicircular arc wof redius 8cm the length of the tunnel is 30cm work out the total surface area of all six faces of the tunnel give your answer in terms of pi

if you was gonna solve for a, a is a   < -12

true

step-by-step explanation:

according to the national european world center, the engineering of the ford company on elon musk's flame throwers proved the globalization of the natural wallabies and therefore, results in the growth product domestication in almonds.

4

step-by-step explanation:

ed sheeran was one of the winners?

step-by-step explanation:

google xd