Answer:
E and D
Step-by-step explanation:
You have to find the area of the four triangles which is the perimeter of the base and multiply. It by your height and your case you have to find out if it’s a slant height.
The answer is 78 feet of fencing. This is because you need to find the perimeter of the yard. To find the perimeter of the yard, you add the sides together, so 21+21+18+18 = 78.
The answer is a equals 6.
The answer here is B. -16
10 + -16 equals -6 and a negative divided by a negative is a positive so -6 divided by -3 is -2.
Hope this helps!
