Answer:
A beach ball is a sphere, so we will need to know how to find the volume of a
sphere. V = 4Pi * (r ^ 3 / 3)
We have the diameter, but not the radius. To find the radius, it is half of the
diameter.
10÷2=5 Now let's plug it in.
4T(5³/3) Let's solve.
4pi = 12.56
5³= 125
125÷3= 41.67 (repeating 6) 41.67x12.56=523.3752
523.33 cubic inches is the volume of
air contained inside the beach ball. The reason I picked that answer is because a repeating 6. So we should expect for
we rounded up to 41.67, when there was
the answer to be a couple decimals lower
from the answer we got. Tell me if this helps!!
Answer:
b= -10
Step-by-step explanation:
Divide -10 from both sides to get b alone
hope this helps :)
Answer:
91
Step-by-step explanation:
triangles always equals 180°
add 70 and 19
subtract that by 180
;)
Answer:
Step-by-step explanation:
<u>Finding corresponding side lengths</u> :
<u>Trapezium ABCD</u>
- AB = √(-2)² + (-1)² = √5
- BC = √(-1)² + (2)² = √5
- CD = √(2)² + (2)² = 2√2
- DA = √(-1)² + (5)² = √26
<u>Trapezium EFGH</u>
- EF = √(2)² + (1)² = √5
- FG = √(1)² + (2)² = √5
- GH = √(-2)² + (2)² = 2√2
- HE = √(1)² + (5)² = √26
As the corresponding side lengths are equal, we can conclude that the trapezoids are congruent.
