Angles<span> can be either straight, right, acute or obtuse. An angle</span><span> is a fraction of a circle where the whole circle is 360°. A straight </span>angle<span> is the same as half the circle and is 180° whereas a right </span>angle<span> is a quarter of a circle and is 90°
hope this helped.</span>
Answer:
236 cubic units (to 3 significant figures)
Step-by-step explanation:
volume of a cylinder =
r²h (where r = radius and h = height)
Therefore, volume =
x 5² x 3
=
x 25 x 3
= 75
= 236 cubic units (to 3 significant figures)
Answer:
Possible committee structures = 293930
Step-by-step explanation:
The combination expression is used here
²¹C₉ = 21!/(9!(21−9)!) = 293930