Answer:
113
Step-by-step explanation:
area of a circle is 3.14*r^2
r=d/2 r=6
3.14*36=113
Recall the following identities:
from which we get
Since
is in the fourth quadrant
we know that
should be positive, so when we take the square root here, we should take the positive root.
Now recall that
and since
is in the fourth quadrant, we expect
to be negative. So,
One final identity:
from which we get
it needs to be 32 feet. it says right there in the answer
The first and 3rd one down are correct. <<<<===== answer.
Answer:
16 cm
Step-by-step explanation:
The length of the hypotenuse of a 45°-45°-90° triangle is 16 cm.