Solution-
The answer is 3 because an equilateral triangle has 3 equal sides and therefore there are 3 equal angles.
Each equal angle contains an arc of equal length.
so the answer is 3 that is option A is correct.
Answer:
29 inches
Step-by-step explanation:
To find perimeter you just add all the side lengths.
Answer:
Formular sistemas de ecuaciones
Step-by-step explanation:
Lo primero que debemos hacer es resolver una incógnita en la primera ecuación. Posteriormente, sustituimos el valor correspondiente de "x" en la segunda ecuación. Ahora, borramos el "y". Finalmente, usamos el valor de "y" para encontrar el valor de "x".
Sector area = (central angle / 360) * PI * radius^2
40 = (central angle / 360) * PI * 10^2
40 = (central angle / 360) * 314.159265
central angle = 360* 40 / 314.159265
central angle = 14,400 / 314.159265
central angle =
<span>
<span>
<span>
45.8366236628
</span>
</span>
</span>
degrees
Source:
http://www.1728.org/radians.htm