The total angle sum of a triangle is 180°
As such, 180= 78 + 2s +4s
102= 6s
s=17
Answer:
-27.9
Step-by-step explanation:
You can find the answer by plugging in any of the multiple choice options into a,
when you square a number (^2), the result is always positive even if the number starts off negative,
-25 or 125 wouldn't work for this equation because the answer is too big
but when you plug -5 or 5 in you get the right answer, so the answer is c
Answer:
13
Step-by-step explanation:
(12*2)/2+1 > 24/2+1 > 12+1 > 13
Answer:
Step-by-step explanation:
180 - m∠1