Answer:
D=36
Step-by-step explanation:
All angles of the triangle add up to 180. Subtract 180-59-55=66
Then the missing measurement is a vertical which means that E=66.
So then 180-78-66=36
Answer:
translate the equation mat at right into an equation. remember that the duble line represent equals
Step-by-step explanation:
Total angle for the pie chart = 360°
13 out of 60 = 13 / 60
Angle for it = 13 / 60 * 360 = 13 * 6 = 78°
Angle used = 78°
Step-by-step explanation:

and we have 
so 

we have 
<em>Finally </em>
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<em>I really hope this helps coz it took much time </em>