What is the row of values that is missing a, b,c, d,or e

Which expression gives the area of the triangle shown below

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle