Answer: Last Option
Step-by-step explanation:
By definition the sum of the internal angles of a triangle must always be equal to 180 °.
This means that:

Now we solve the equation for the variable x




We subtract 12 in both barks of the equation


Divide by 3 on both sides of the equation



Finally the measure of angle ABC is: (56-5)° = 51°
Answer:
0.0378
Step-by-step explanation:
#;+*($$&#(#'#)#&#)#&#-#)#8#&2'#;$7$5$&
A=78.54
A=1
/4πd2=1
/4·π·10^2≈78.53982m²
Hope this helps
Formulas
A=πr2
d=2r
Answer:
11.7
Step-by-step explanation:
Answer:
(1/4)³
Step-by-step explanation:
Hope it helps you