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Llana [10]
4 years ago
13

a quadrilateral has exactly 3 congruent sides davis claims that the figure must be a rectangle why is his claim incorrect explai

n how you can use a digram to explain your answer
Mathematics
1 answer:
vlada-n [284]4 years ago
8 0
Davis's claim was incorrect because a rectangle sometimes only have 2 congruent sides. Drawing a rectangle, the length/width would be longer than their length/width. Unless it is a square, it counts as correct as a square can be counted as a rectangle and a rectangle can not be counted as a square but anyways, congruent means equal sides. The rectangle, mostly drawn, only has two long sizes and two short sides, both opposides are equal. Hence, the claim Davis said is incorrect.
You might be interested in
What is the value of the fourth term in a geometric sequence for which a1=10 and r =0.5
Lena [83]

Answer: 1.25

Step-by-step explanation:

The explicit formula for the sequence is a_{n}=10(0.5)^{n-1}

Substituting in n=4,

a_{4}=10(0.5)^{4-1}=\boxed{1.25}

4 0
2 years ago
The length of a rectangle envelope is 2 1/2 times its width. A plastic band surrounds the front and back of the envelope to secu
Andreas93 [3]

<u>Answer</u>:

Length of the envelope = 14

Width of the envelope = 5.6

<u>Step-by-step explanation:</u>

Let the width of the rectangle be  x

Then the length of the rectangle will be 2\frac{1}{2} \times x

Also the length of the plastic band to cover the  front and back of the envolpe =  39\frac{3}{8}

To cover one side th band required is

=>\frac{39\frac{3}{8}}{2}

=>\frac{\frac{315}{8}}{2}

=>\frac{\frac{315}{8}}{2}

=>{\frac{315}{16}

=>39.4

We know that the perimeter of the rectangle is

=> 2( L + B) = {\frac{39.4}{2}

=> 2( 2\frac{1}{2} \times x + x) = 19.7

=> 2( \frac{7}{2}x) = 19.7

=>  3.5x = 19.7

=> x = \frac{19.7}{3.5}

=>  x = 5.6

Now length of the envelope =

=>  2\frac{1}{2} \times x

=>  2.5 \times 5.6

=> 14

5 0
3 years ago
Do anyone know how to do this problems ? Please help!
EastWind [94]

so what is exactly the question

4 0
4 years ago
Pls help i need help will give correct brainlyest
Rufina [12.5K]

Answer:

here you go

Step-by-step explanation:

1 is = 2 is >

7 0
3 years ago
I need it asap!!! Help a struggling geometry student out!!
coldgirl [10]

Answer:

I would say C

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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