Mathematics, 19.07.2019 20:30 jonnycampbell223
Geo: topic 3- parallelograms 1pt a rhombus is a parallelogram with all four sides of equal length. one way to determine if a given parallelogram is a rhombus is to test whether its diagonals are perpendicular. the vertices of a parallelogram are m(−1,2), n(9,2), p(3,−6), and q(−7,−6). determine whether the parallelogram is a rhombus by checking to see if the diagonals are perpendicular. what is the slope of mp¯¯¯¯¯¯? what is the slope of nq¯¯¯¯¯¯? are diagonals mp¯¯¯¯¯¯ and nq¯¯¯¯¯¯ perpendicular? is the parallelogram a rhombus?
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Mathematics, 20.06.2019 18:04
Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a.heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular
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Mathematics, 21.06.2019 19:40
Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?
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Mathematics, 21.06.2019 22:30
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Mathematics, 21.06.2019 23:30
Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality
Answers: 1
Geo: topic 3- parallelograms 1pt a rhombus is a parallelogram with all four sides of equal length....
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