First you have to solve for the other angle (3x-70) so, 3x=70 and x=70/3
now that you have the complementary angle of 70/3 degrees, subtract 180-70/3 to get 156 2/3 degrees as your final answer
Answer:
11
Step-by-step explanation:
a = d1+d2 all divided by 2
7+7+4+4/2
14+8/2
22/2
11
Answer:
sales tax= 9 %
Step-by-step explanation:
sales tax= cost x %tax
38.70 = 430 x %tax
%tax = 38.7/430 = 0.09 = 9 %
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