Hans is baking brownies. he needs seven eight of flour and one fourth cup of oil for his recipie write a number that is a common denominator for the fractions seven eights and one fourth

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.