find the perimeter of a triangle with sides 15 inches, 15 inches, and 21 inches length
To find the perimeter of a triangle we add all the sides of the triangle
The length of the sides of the triangle are given as 15 inches, 15 inches, and 21 inches
Perimeter of a triangle = 
15 inches + 15 inches +   21 inches = 51 inches
So 51 inches is the perimeter
 
        
             
        
        
        
Answer:
i think it was about 5000.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Each person get less than 1 cup of cider.
Step-by-step explanation:
1. Calculate the amount of cider served to each person:
Total amount of cider is 48 fluid ounces
Gus serves 7 people 
Let Q the amouunt of cider served to each person:

Then, each person recived 6.85 fluid ounces of spiced cider.
2. Calculate the number of cups served:
Considering that 1 cup=8 fluid ounces, then:

That means that each person recived 0.85 cups of spiced cider.
Each person get less than 1 cup of cider.
 
        
                    
             
        
        
        
The top row, on the right.
hope it helps
        
                    
             
        
        
        
Answer:
TU=36
Step-by-step explanation:
use the side lengths of PQR to determine the proportionality of the two triangles. 9/2=4.5 so, multiply 8 by 4.5 to find TU.