Answer:
252 ft2 (squared)
Step-by-step explanation:
area= a x b
area= 12 x 21
area= 252 ft2 (squared)
 
        
             
        
        
        
9x=6, so the number is 2/3.
        
             
        
        
        
Answer:
<h2><u>
<em>10</em></u></h2>
Step-by-step explanation:
<h2>
you have to multiply 5 x 4 and then divide by 2 because that the formula for a triangle.</h2>
 
        
             
        
        
        
Answer:False
Step-by-step explanation: 
Because when you go up and you subtract that numbers you don't get the number you need