Answer:
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Step-by-step explanation:
angle don+angle gil=90°
don+ 74°=90°
don=90°-74°
don=16°
angle e + angle a=180°
128°+angle a=180°
angle a=180°-128°
angle a=52°
56
4*5=20 20/2=10 10*4= 40
4*4=16
16+40= 56
That is a true statement