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Natali [406]
3 years ago
13

State if the two triangles are congruent. if they are state how you know.

Mathematics
1 answer:
nlexa [21]3 years ago
5 0
1) The triangles are congruent by SSS.

The two tick marks indicate two pairs of congruent sides; it is evident that the third side is congruent by the way the diagram is drawn - the bases of the triangles are together and appear to be the same length.

2) The triangles are congruent by SAS.

The two pairs of tick marks indicate congruent sides, and their included angles are congruent because they are vertical angles, and vertical angles are always congruent.
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Divide r+5/r2+5r-14 by r2+4r-21/r-2
soldi70 [24.7K]

Answer:

     r+5                 r^2+4r-21

-------------- /   --------------------

r^2+5r-14               r-2


         r+5                     r-2

= --------------  x   --------------------

   r^2+5r-14           r^2+4r-21


         r+5                     r-2

= --------------  x   --------------------

   (r+7)(r-2)           (r+7)(r-3)



         r+5                     

= -----------------

   (r+7)^2 (r-3)          


hope it helps


Step-by-step explanation:


5 0
3 years ago
a plate has a raduis of 3 inches what is the best approximation for the circumference of the plate ? use 3.14 to approimate pi.​
kozerog [31]

Answer:

Best approximation for the circumference of the plate = 18.84 inches

Step-by-step explanation:

Given in the question,

radius of a plate = 3 inches

π  = 3.14

To find,

circumference of the plate.

As we know that formula to calculate circumference of a circle given radius

<h2>2 π r</h2>

2 (π) (3)

2 (3.14) (3)

18.84 inches

So the circumference or perimeter of area = 18.84 inches

<h2></h2>

8 0
3 years ago
Find the measures of the interior angles.
Svetradugi [14.3K]

Answer:

45 degrees.

Step-by-step explanation:

All interior angles in a triangle add up to 180 degrees.

We can form an equation: x+x+65+25=180

2x+90=180

2x=90

x=45.

7 0
2 years ago
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You add all of the numbers up each row and divide by how many there are so:
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6 0
3 years ago
Using the following image, determine if the triangles are similar. If so, how?
dolphi86 [110]
They are similar and the answer is SSS
5 0
2 years ago
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