Answer:
2, 5, 6 are all 154
1, 3, 4, and 7 are all 26
Answer:
You are correct.
Step-by-step explanation:
What you do is you add them together which is 2x and it stays in the square root. You are correct.
Answer:
105.12 ft²
Step-by-step explanation:
Let's first find the area of the rectangle.
ft², so the rectangle has an area of 80ft².
To find the area of the semi-circle, we find the area of a whole circle and divide by two.
The formula to find the area of a circle is
. The radius is 4, as the diameter is 8.



Add 80 and 25.12:

Hope this helped!
Answer:
≈ 3.14
Step-by-step explanation:
π, or pi, is an irrational number. We mathmaticians round it to 3.14.