What does the eliminate mean?
Answer:

Step-by-step explanation:
Given
From Figure
Sides of Triangle

Now, using concept
Perimeter of triangle = Sum of the sides of triangle
So,
Perimeter of triangle = 
Adding
and
, so,
Perimeter of triangle = 
This can be written as
Perimeter of triangle = 
Adding 15 and 10,
Perimeter of triangle = 
So, the correct choice is = 
Hope this helps.
Answer:
A
Step-by-step explanation:
A]
7*5 = 35+15 = 50
10*70 = 70 +14 = 85
15*7 = 105 +15 = 120
20*7 = 140+15 = 155
B]8.50*5 = 42.5
C]10*5 = 50
10*10 = 100
D] = 8*5 = 40 +10 = 50
10*8 = 80+10 = 90
Answer:
−
10.5
Step-by-step explanation: