The first, third, and sixth are correct.
Answer:
V≈ 863.27 in³
Step-by-step explanation:
The answer is 81. since (-3)^2 is 9. Therefore, 9x9=81.
Answer:
19.635
Step-by-step explanation:
A=pie Radius^2
Answer:
Perimeter = 180
Area = 1080
Step-by-step explanation:
Perimeter is length of all sides added together. 30+78+72 = 180
Area is the length times the height/2 for a triangle. 30*72/2 = 1080
I hope this helped <3