13-02-2017
Mathematics

contestada

Find the missing angle measure in ΔABC.
A = 118°, B = 23°, C = ____°
A. 118
B. 39
C. 23
D. 180

Respuesta :

christinann062 christinann062

13-02-2017

the measurements of a triangle add up to be 180.

a+b+c=180

(118)+(23)+c=180
141+c=180
c=39

your answer is B. 39

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