Given: ∠AOC and ∠BOC are complementary. m∠AOC=m∠BOC+30°. Find: m∠AOC and m∠BOC Statement Reason
1. m∠AOC+m∠ = 1.
2. m∠ + +m∠BOC=90° 2. Substitution
3. m∠BOC = 3. Algebra
4. m∠AOC = 4. Algebra

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

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.

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)