Answer:
Congruent triangles are the triangles whose shape and size are equal. In other words, the triangles whose corresponding sides and angles are equal, are known as congruent triangles.
Similar triangles are the triangles whose shape is equal but the size may vary.
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Answer: 4 cm and 11 cm.
Step-by-step explanation:
1. You can calculate the perimeter of a parallelogram as following:

Where a+b+c+d are the lenghts of the sides.
By definition the parallelogram has two pairs of parallel sides, therefore:
a=c and b=d
Then, you can calculate the perimeter as following:
2. Let's call the adjacent side
, then the other side is 2x+3.
3. Substitute values and solve for x:

4. Then the lenghts of the sides are:

Answer:
p=7
Step-by-step explanation:
x1+x2=8
2x+6=8
2x=2
x=1
c/a=c
x1*x2=c=p
x1*x2=7
p=7
Answer:
10
Step-by-step explanation:
the most common #is 10
80*0.45= 36
36*2.5mL = 90mL dosage
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