Mary Jackson three contributions to mathematics?

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.