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expeople1 [14]
3 years ago
13

Which statement is not always true for a parallelogram?

Mathematics
2 answers:
svetoff [14.1K]3 years ago
6 0

Answer:

C. It has 4 congruent angles

Step-by-step explanation:

Have a great day :)

ollegr [7]3 years ago
3 0

Answer:

(C) It has 4 congruent angles.


Step-by-step explanation:

A parallelogram is a four sided figure in which opposite sides are equal and parallel.

with is description we ca say that:

  • Opposite sides are congruent.  
  • Diagonals bisect each other.
  • Consecutive angles are supplementary.

The consecutive angle add up to 180°. That means that they are supplementary.

The 4 angles are not congruent.


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(5ab-9a-4) - (-4ab + 5)
qaws [65]

Answer:

9ab - 9a +1

Step-by-step explanation:

first, we can distribute the negative sign to the second set of parentheses.

-(-4ab + 5) becomes + 4ab - 5

now let's put the values in (5ab-9a-4) side by side with the corresponding values in + 4ab - 5

5ab + 4ab - 9a - 4 - 5

= 9ab - 9a - 9, because 5ab + 4ab = 9ab, -9a is alone, and -4 - 5 = -9.

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Step-by-step explanation:

PEMDAS

also you must simplify both sides to solve this problem and that's the first step to simplifying this side (the other one is simplified)

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How many lines of symmetry does the figure have?<br><br> A. 0<br> B. 1<br> C. 2
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What is 8 3/4 - 7 1/2
lara31 [8.8K]

let's firstly convert the mixed fractions to improper fractions and then subtract, bearing in mind that the LCD of 4 and 2 is 4.

\bf \stackrel{mixed}{8\frac{3}{4}}\implies \cfrac{8\cdot 4+3}{8}\implies \stackrel{improper}{\cfrac{35}{4}}~\hfill \stackrel{mixed}{7\frac{1}{2}}\implies \cfrac{7\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{15}{2}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{35}{4}-\cfrac{15}{2}\implies \stackrel{\textit{using the LCD of 4}}{\cfrac{(1)35~~-~~(2)15}{4}}\implies \cfrac{35-30}{4}\implies \cfrac{5}{4}

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2 years ago
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