Simplify (514)-3. Assume n = 0. X
1
12
5n
1
125n
n12
125
125
n12
RETRY

for the points

step-by-step explanation:

t= half of the arc subtended by t.

r= half of the arc subtended by r.  

t+r= half of the arc subtended by t + half of the arc subtended by r= half of 360=180

step-by-step explanation:

hello,

as   long as they add up to 180 its correct.

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