Answer:
The area of the circle is 
Step-by-step explanation:
we know that
The area of a circle subtends a central angle of
radians
so
By proportion find the area of the circle

An acute triangle is triangle that's less than 90 degree angle and a right triangle is exactly 90 degree angle so
the answer is no, it is not possible
Answer:
Rounded to 73
Step-by-step explanation:
The exact number does not end so rounded to the closest whole number is 73
Answer:

Step-by-step explanation:
We want to solve
given that
is acute.
We take tangent inverse of both sides to get:

Now set your calculator to degree mode and evaluate
to obtain:

To one decimal place, we have;
