Which of the following are necessary when proving that the diagonals of a
rectangle are congru...
Mathematics, 26.03.2020 17:54 alyssabailey
Which of the following are necessary when proving that the diagonals of a
rectangle are congruent? Check all that apply.
A. Opposite sides are perpendicular,
O
B. Opposite sides are congruent.
O
C. All obtuse angles are congruent.
D. All right angles are congruent
Answers: 3
Mathematics, 21.06.2019 13:30
Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
Answers: 3
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