Davis LevineBlockedUnblockFollowFollowingService Designer @ BC Government. Trying to connect Design, Policy, & Innovation in the public sector. Black coffee and fast bikes. www.davislevine.comApr 29, 2017I know designers aren’t always good at math, but I think you mean 45° here. :)tracy s. ruggles11Your calculations are correct! I finished math in grade 11 and never looked back :) Will update.