John is constructing a triangle with two sides 5cm and 7 cm and the included angle is 70°. first, john draws a 5cm segment on his paper. he is not sure how to construct the 70° angle. what should he do? a) using a compass, draw a 7 cm circle. b) since 70° is less than 90°, just make sure to draw an acute angle. c) using a straightedge, measure a 7 cm segment from an endpoint of the 5 cm segment. d) using a protractor, measure a 70° angle from the endpoint of the 5 cm segment.