Answer:the last box
Step-by-step explanation:the other ones wouldnt make any sense
Answer:

Step-by-step explanation:
If the ratio of the sides is 13:14:15, we can say that the length of each side is 13x, 14x and 15x.
Then, if the perimeter is 84 m, we have:



The length of each side is:



Now, to find the area of the field, we can use the following formula:

Where a, b and c are the sides and p is the semi perimeter:

So we have that:


Answer:
6
Step-by-step explanation:
diameter is double the length of the radius.
d= 2r
d=2(3)
d=6
Answer:
6
Step-by-step explanation:
Answer:
61-27=34
Step-by-step explanation:
start with the ones place:
1-?=4
since 1 minus anything will never give a 4 add 10
11-?=4
11-4=?=7
then start with the tens place:
?1-27=34
?1=34+27
?1=61