Is it possible for a trapezoid to have 3 right angles

Answers

Answer 1
Answer:
No, because if a trapezoid were to have three right angles, the fourth angle would also be right, because the angles of a quadrilateral add up to 360, and a quadrilateral with four right angles is a rectangle, which has two sets of parallel sides instead of one set like a trapezoid does.
Answer 2
Answer: No, this is because if a trapezoid has 3 right angles, the fourth and last one would also have to be a right angle and it is supposed to be an acute angle. To make it less confusing, a right angle is is in the shape of a "L" and if it had three "L's" it would have to have another one too which would then make it a rectangle. I hope I helped!!

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Find three consecutive odd integers such that the sun of the largest and twice the smallest is 25

Answers

Let's call the our odd numbers a, b, and c, in ascending order. It can be said then that b = a +2 (It is the next odd number after a) and c = a + 4 (It is the second consecutive number after a).


Additionally, we can say:

c + 2a = 25


Now, how about we substiute in the value for c we found in the first paragraph for c in the preceeding equation? This gives us:

(a + 4) + 2a = 25

  • Substitute

3a + 4 = 25

  • Add like terms

3a = 21

  • Subtract 4 from both sides

a = 7

  • Divide both sides by 3

We have found that the smallest number is 7. Substituting this into the equations we found in the first paragraph, we find:

b = 7 +2 = 9

c = 7 + 4 = 11


The numbers are 7, 9, and 11.

Answer:

The three correct numbers are 7, 9, and 11.



Step-by-step explanation:


David deposits $230 into a savings account that accrues 12% interest compounded quarterly each year. How much money will dave earn in interest after 3 years?A. $97.93

B. $99.38

C. $327.93

D. $329.38

Answers

Answer:

C. $327.93

Step-by-step explanation:

The formula for interest compounded quarterly is

A = P(1 + r/n)nt   where P is the principal

                                r is the rate

                                t is the time in years  

                                n is the compoundings per year

 p =230  r= .12  t= 3  n =4  since it is quarterly

Substituting these in

A = 230 (1+ .12/4)^(3*4)

   = 230(1.03)^12

    =327.93

Answer:

The answer is C. $327.93

Hope this helps and have a Merry Christmas.  

P.S. Could you make me brainlest?  It would help SO much.  Thanks!


Can you please answer the question in the attachment?

Answers

15a) The answer is 3x+10 
b) you could have 3x 4x and 5x 
c) 4x+2 (you add up the 3 expressions and divide by 3) 
I can't see your attachment

How I do circumference and area

Answers

you multiply 3.14 by the diameter or 2 times the radius 
for area you do pi or 3.14*radius squared 

Numbers that equal 180

Answers

60 x 3 90 x 2 30 x 6 5 x 36 45 x 4 20 x 9 18 x 10 12 x 15

Question 1!!! PLEASE HELP

Answers

Quickly using a calculator (or long division) reveals that 191/238=0.8025=80.25%, which is close to 80%=4/5
Similarly, 106/160=0.6625=66.25%, which is close to 66.67%=2/3