Cos inverse0.7813
=38.6°
B
Answer:
3
Step-by-step explanation:
a is 4 and 3 is x so 4+3=7
m<EDA=35°
m<DAE=35 diagonal bisect it
m<AED=180-2×35=110°(by sum of interior angle of the triangle)
m<BCE=mDAE=35° alternate angle
6
Y=6 In this equation you also use combine like terms .
