![subject](/tpl/images/cats/mat.png)
Mathematics, 28.01.2020 16:45 sharonbullock9558
Which of the following are not sufficient to prove that a quadrilateral is a parallelogram?
i. two pairs of opposite angles congruent.
ii. a pair of adjacent angles are supplementary.
iii. both pairs of opposite sides are congruent.
iv. a pair of opposite angles congruent and a pair of opposite sides congruent.
v. both pairs of opposite sides are parallel.
vi. a pair of opposite sides parallel and the other pair of opposite sides congruent.
vii. one pair of opposite sides are both parallel and congruent.
viii. the diagonals bisect each other.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 12:30
When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:20
The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?
Answers: 1
You know the right answer?
Which of the following are not sufficient to prove that a quadrilateral is a parallelogram?
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.10.2019 02:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 05.10.2019 02:20
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 02:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 02:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 05.10.2019 02:20
![question](/tpl/images/cats/en.png)
English, 05.10.2019 02:20
![question](/tpl/images/cats/en.png)
English, 05.10.2019 02:20
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 02:20
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 02:20
![question](/tpl/images/cats/fizika.png)