For the following conditional, identify the converse and the truth value of the converse: if an angle is a right angle, then its measure is 90°. a) if an angle is not a right angle, then its measure is 90°. false b) if an angle has measure 90°, then it is a right angle. true c) if an angle has measure 90°, then it is a right angle. false d)if an angle is not a right angle, then its measure is not 90°. true