Answer:
C. 52 degrees
Step-by-step explanation:
Vertical angles share the same angle of measure.
b 56°
a 71°
d 19°
c 127°
dum dadummm dumm dududu
14mm×20mm=280mm²
14mm×12mm/2=84mm²
3.14×10²mm=314mm²
280m²+84mm²+314mm²=678mm²
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