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Korvikt [17]
3 years ago
11

If the abc and def are congruent by the ASA criterion which pair of angles must be congruent ?

Mathematics
1 answer:
ycow [4]3 years ago
8 0
Yeah yeah but yeah i is going camping on the golf thing and he said he has no idea where y’all
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Problem 4:
Kipish [7]

Answer:

12cm and 16cm

Step-by-step explanation:

The hypotenuse of the right angle triangle  = 20cm

 let the other two sides be x and y;

 The difference;

                x  = y - 4

Problem:

Find x and y;

Solution:

According to the pythagoras theorem;

    x² + y² = 20²  ------ i

       x² + y² = 400 ----- i

and  x - y = 4 ---- ii

So;   x = 4 + y

Now input the value into equation (i);

  (y + 4)² + y² = 400

   (y+4)(y+4) + y² = 400

    y² + y² + 4y + 4y + 16 = 400

    2y² + 8y + 16 = 400

    2y² + 8y + 16 -400 = 0

   2y² + 8y - 384 = 0;

      y² + 4y - 192 = 0

Factorize the equation;

  y² + 16y - 12y - 192 = 0

  y(y + 16) - 12(y + 16) = 0

  (y-12)(y + 16) = 0

     y -12 = 0 or y+ 16 = 0

     y = 12 or -16

It is not realistic for the length of a body to be a negative value, so y= 12;

   since;

    x - y = 4,

    x = 4 + 12

    x = 16

5 0
3 years ago
gina drew three small congruent circles beside one large circle. based on the diagram which answer choice is the closest to the
pochemuha

Answer:28.3 cm2

Step-by-step explanation:

6 0
3 years ago
Answer for both of them<br> 3(4x - 1)<br> 2x + 4
kobusy [5.1K]

Answer: 12x-3 and 2x+4

Step-by-step explanation: i don’t know if i wanted to add them together. you j distribute that’s how i got my answer.

5 0
3 years ago
Read 2 more answers
Which of the following expressions are equivalent to -19/8 x(-50)
dmitriy555 [2]

1. Move the negative sign to the left.

-
\frac{19}{8}X*-50

2. Use this rule: \frac{a}{b}*\frac{c}{d}=\frac{ac}{bd}

-\frac{19x*-50}{8}

3. Simplify -  \frac{-950x}{8}

4. Move the negative sign to the left.

-(-950x/8)

5. Simplify 950x/8 to 475x/4

6. Remove parentheses.

5 0
2 years ago
Intruduction to a scientific notation with negative exponenents.
alukav5142 [94]
10 to the negative sixth equals 1/60, and then times 4 equals 4/60 or 1/15
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3 years ago
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