The campagnolo hyperon carbon wheel has 11 spokes evenly distributed around the rim of the wheel. what is the measure, in radians, of the central angle formed by adjacent pairs of spokes?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50